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Finding the Fourth Proportional to 579,230.80, 868,846.20 and 491,750.80

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Solution

The fourth proportional to 579,230.80, 868,846.20 and 491,750.80 is: 737,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,230.80 : 868,846.20 = 491,750.80 : x
  2. Step 2: Convert to fraction form
    579,230.80/868,846.20 = 491,750.80/x
  3. Step 3: Cross multiply
    579,230.80x = 868,846.20 × 491,750.80
  4. Step 4: Simplify right side
    579,230.80x = 427,255,813,926.96
  5. Step 5: Solve for x
    x = 427,255,813,926.96/579,230.80
  6. Step 6: Final answer
    x = 737,626.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 579,231.80, 868,847.70 and 491,751.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.