Home / 762,907.20-1,145,016.90-337,098.30

Finding the Fourth Proportional to 762,907.20, 1,145,016.90 and 337,098.30

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Solution

The fourth proportional to 762,907.20, 1,145,016.90 and 337,098.30 is: 505,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,907.20 : 1,145,016.90 = 337,098.30 : x
  2. Step 2: Convert to fraction form
    762,907.20/1,145,016.90 = 337,098.30/x
  3. Step 3: Cross multiply
    762,907.20x = 1,145,016.90 × 337,098.30
  4. Step 4: Simplify right side
    762,907.20x = 385,983,250,461.27
  5. Step 5: Solve for x
    x = 385,983,250,461.27/762,907.20
  6. Step 6: Final answer
    x = 505,937.35

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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.