Home / 495,360.28-683,605.10-280,494.52

Finding the Fourth Proportional to 495,360.28, 683,605.10 and 280,494.52

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Solution

The fourth proportional to 495,360.28, 683,605.10 and 280,494.52 is: 387,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,360.28 : 683,605.10 = 280,494.52 : x
  2. Step 2: Convert to fraction form
    495,360.28/683,605.10 = 280,494.52/x
  3. Step 3: Cross multiply
    495,360.28x = 683,605.10 × 280,494.52
  4. Step 4: Simplify right side
    495,360.28x = 191,747,484,394.05
  5. Step 5: Solve for x
    x = 191,747,484,394.05/495,360.28
  6. Step 6: Final answer
    x = 387,086.92

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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.