Home / 572,513.20-858,769.80-502,529.20

Finding the Fourth Proportional to 572,513.20, 858,769.80 and 502,529.20

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Solution

The fourth proportional to 572,513.20, 858,769.80 and 502,529.20 is: 753,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,513.20 : 858,769.80 = 502,529.20 : x
  2. Step 2: Convert to fraction form
    572,513.20/858,769.80 = 502,529.20/x
  3. Step 3: Cross multiply
    572,513.20x = 858,769.80 × 502,529.20
  4. Step 4: Simplify right side
    572,513.20x = 431,556,900,578.16
  5. Step 5: Solve for x
    x = 431,556,900,578.16/572,513.20
  6. Step 6: Final answer
    x = 753,793.80

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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.