Home / 572,519.20-858,778.80-502,535.20

Finding the Fourth Proportional to 572,519.20, 858,778.80 and 502,535.20

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Solution

The fourth proportional to 572,519.20, 858,778.80 and 502,535.20 is: 753,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,519.20 : 858,778.80 = 502,535.20 : x
  2. Step 2: Convert to fraction form
    572,519.20/858,778.80 = 502,535.20/x
  3. Step 3: Cross multiply
    572,519.20x = 858,778.80 × 502,535.20
  4. Step 4: Simplify right side
    572,519.20x = 431,566,576,013.76
  5. Step 5: Solve for x
    x = 431,566,576,013.76/572,519.20
  6. Step 6: Final answer
    x = 753,802.80

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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.