Home / 897,717.50-1,238,876.08-495,335.42

Finding the Fourth Proportional to 897,717.50, 1,238,876.08 and 495,335.42

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Solution

The fourth proportional to 897,717.50, 1,238,876.08 and 495,335.42 is: 683,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,717.50 : 1,238,876.08 = 495,335.42 : x
  2. Step 2: Convert to fraction form
    897,717.50/1,238,876.08 = 495,335.42/x
  3. Step 3: Cross multiply
    897,717.50x = 1,238,876.08 × 495,335.42
  4. Step 4: Simplify right side
    897,717.50x = 613,659,203,414.75
  5. Step 5: Solve for x
    x = 613,659,203,414.75/897,717.50
  6. Step 6: Final answer
    x = 683,577.19

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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.