Home / 929,385.88-1,392,781.26-502,000.30

Finding the Fourth Proportional to 929,385.88, 1,392,781.26 and 502,000.30

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Solution

The fourth proportional to 929,385.88, 1,392,781.26 and 502,000.30 is: 752,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,385.88 : 1,392,781.26 = 502,000.30 : x
  2. Step 2: Convert to fraction form
    929,385.88/1,392,781.26 = 502,000.30/x
  3. Step 3: Cross multiply
    929,385.88x = 1,392,781.26 × 502,000.30
  4. Step 4: Simplify right side
    929,385.88x = 699,176,610,354.38
  5. Step 5: Solve for x
    x = 699,176,610,354.38/929,385.88
  6. Step 6: Final answer
    x = 752,299.58

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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.