Home / 676,952.20-1,015,817.10-256,529.80

Finding the Fourth Proportional to 676,952.20, 1,015,817.10 and 256,529.80

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Solution

The fourth proportional to 676,952.20, 1,015,817.10 and 256,529.80 is: 384,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,952.20 : 1,015,817.10 = 256,529.80 : x
  2. Step 2: Convert to fraction form
    676,952.20/1,015,817.10 = 256,529.80/x
  3. Step 3: Cross multiply
    676,952.20x = 1,015,817.10 × 256,529.80
  4. Step 4: Simplify right side
    676,952.20x = 260,587,357,499.58
  5. Step 5: Solve for x
    x = 260,587,357,499.58/676,952.20
  6. Step 6: Final answer
    x = 384,942.04

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Double scale
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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.