Home / 762,925.20-1,144,906.20-425,965.20

Finding the Fourth Proportional to 762,925.20, 1,144,906.20 and 425,965.20

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Solution

The fourth proportional to 762,925.20, 1,144,906.20 and 425,965.20 is: 639,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,925.20 : 1,144,906.20 = 425,965.20 : x
  2. Step 2: Convert to fraction form
    762,925.20/1,144,906.20 = 425,965.20/x
  3. Step 3: Cross multiply
    762,925.20x = 1,144,906.20 × 425,965.20
  4. Step 4: Simplify right side
    762,925.20x = 487,690,198,464.24
  5. Step 5: Solve for x
    x = 487,690,198,464.24/762,925.20
  6. Step 6: Final answer
    x = 639,237.24

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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.