Home / 496,340.07-744,593.13-389,719.71

Finding the Fourth Proportional to 496,340.07, 744,593.13 and 389,719.71

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Solution

The fourth proportional to 496,340.07, 744,593.13 and 389,719.71 is: 584,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,340.07 : 744,593.13 = 389,719.71 : x
  2. Step 2: Convert to fraction form
    496,340.07/744,593.13 = 389,719.71/x
  3. Step 3: Cross multiply
    496,340.07x = 744,593.13 × 389,719.71
  4. Step 4: Simplify right side
    496,340.07x = 290,182,618,691.59
  5. Step 5: Solve for x
    x = 290,182,618,691.59/496,340.07
  6. Step 6: Final answer
    x = 584,644.76

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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.