Home / 495,349.28-683,584.68-280,531.16

Finding the Fourth Proportional to 495,349.28, 683,584.68 and 280,531.16

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Solution

The fourth proportional to 495,349.28, 683,584.68 and 280,531.16 is: 387,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,349.28 : 683,584.68 = 280,531.16 : x
  2. Step 2: Convert to fraction form
    495,349.28/683,584.68 = 280,531.16/x
  3. Step 3: Cross multiply
    495,349.28x = 683,584.68 × 280,531.16
  4. Step 4: Simplify right side
    495,349.28x = 191,766,803,238.63
  5. Step 5: Solve for x
    x = 191,766,803,238.63/495,349.28
  6. Step 6: Final answer
    x = 387,134.51

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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.