Home / 498,942.68-748,444.08-338,950.86

Finding the Fourth Proportional to 498,942.68, 748,444.08 and 338,950.86

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Solution

The fourth proportional to 498,942.68, 748,444.08 and 338,950.86 is: 508,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,942.68 : 748,444.08 = 338,950.86 : x
  2. Step 2: Convert to fraction form
    498,942.68/748,444.08 = 338,950.86/x
  3. Step 3: Cross multiply
    498,942.68x = 748,444.08 × 338,950.86
  4. Step 4: Simplify right side
    498,942.68x = 253,685,764,577.91
  5. Step 5: Solve for x
    x = 253,685,764,577.91/498,942.68
  6. Step 6: Final answer
    x = 508,446.72

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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.