Home / 502,386.20-754,454.10-266,190.20

Finding the Fourth Proportional to 502,386.20, 754,454.10 and 266,190.20

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Solution

The fourth proportional to 502,386.20, 754,454.10 and 266,190.20 is: 399,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,386.20 : 754,454.10 = 266,190.20 : x
  2. Step 2: Convert to fraction form
    502,386.20/754,454.10 = 266,190.20/x
  3. Step 3: Cross multiply
    502,386.20x = 754,454.10 × 266,190.20
  4. Step 4: Simplify right side
    502,386.20x = 200,828,287,769.82
  5. Step 5: Solve for x
    x = 200,828,287,769.82/502,386.20
  6. Step 6: Final answer
    x = 399,748.81

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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.