Home / 495,301.78-683,519.25-268,947.34

Finding the Fourth Proportional to 495,301.78, 683,519.25 and 268,947.34

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Solution

The fourth proportional to 495,301.78, 683,519.25 and 268,947.34 is: 371,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,301.78 : 683,519.25 = 268,947.34 : x
  2. Step 2: Convert to fraction form
    495,301.78/683,519.25 = 268,947.34/x
  3. Step 3: Cross multiply
    495,301.78x = 683,519.25 × 268,947.34
  4. Step 4: Simplify right side
    495,301.78x = 183,830,684,126.30
  5. Step 5: Solve for x
    x = 183,830,684,126.30/495,301.78
  6. Step 6: Final answer
    x = 371,148.85

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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.