Home / 572,404.20-858,606.30-517,291.80

Finding the Fourth Proportional to 572,404.20, 858,606.30 and 517,291.80

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Solution

The fourth proportional to 572,404.20, 858,606.30 and 517,291.80 is: 775,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,404.20 : 858,606.30 = 517,291.80 : x
  2. Step 2: Convert to fraction form
    572,404.20/858,606.30 = 517,291.80/x
  3. Step 3: Cross multiply
    572,404.20x = 858,606.30 × 517,291.80
  4. Step 4: Simplify right side
    572,404.20x = 444,149,998,418.34
  5. Step 5: Solve for x
    x = 444,149,998,418.34/572,404.20
  6. Step 6: Final answer
    x = 775,937.70

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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.