Home / 495,217.38-684,018.42-381,872.46

Finding the Fourth Proportional to 495,217.38, 684,018.42 and 381,872.46

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Solution

The fourth proportional to 495,217.38, 684,018.42 and 381,872.46 is: 527,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,217.38 : 684,018.42 = 381,872.46 : x
  2. Step 2: Convert to fraction form
    495,217.38/684,018.42 = 381,872.46/x
  3. Step 3: Cross multiply
    495,217.38x = 684,018.42 × 381,872.46
  4. Step 4: Simplify right side
    495,217.38x = 261,207,796,730.71
  5. Step 5: Solve for x
    x = 261,207,796,730.71/495,217.38
  6. Step 6: Final answer
    x = 527,460.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.