Home / 746,197.20-1,118,685.88-347,086.80

Finding the Fourth Proportional to 746,197.20, 1,118,685.88 and 347,086.80

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Solution

The fourth proportional to 746,197.20, 1,118,685.88 and 347,086.80 is: 520,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,197.20 : 1,118,685.88 = 347,086.80 : x
  2. Step 2: Convert to fraction form
    746,197.20/1,118,685.88 = 347,086.80/x
  3. Step 3: Cross multiply
    746,197.20x = 1,118,685.88 × 347,086.80
  4. Step 4: Simplify right side
    746,197.20x = 388,281,102,294.38
  5. Step 5: Solve for x
    x = 388,281,102,294.38/746,197.20
  6. Step 6: Final answer
    x = 520,346.50

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Double scale
Find fourth proportional to 746,198.20, 1,118,687.38 and 347,087.80
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.