Home / 495,612.28-683,948.22-269,257.72

Finding the Fourth Proportional to 495,612.28, 683,948.22 and 269,257.72

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Solution

The fourth proportional to 495,612.28, 683,948.22 and 269,257.72 is: 371,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,612.28 : 683,948.22 = 269,257.72 : x
  2. Step 2: Convert to fraction form
    495,612.28/683,948.22 = 269,257.72/x
  3. Step 3: Cross multiply
    495,612.28x = 683,948.22 × 269,257.72
  4. Step 4: Simplify right side
    495,612.28x = 184,158,338,315.26
  5. Step 5: Solve for x
    x = 184,158,338,315.26/495,612.28
  6. Step 6: Final answer
    x = 371,577.43

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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.