Home / 654,865.64-903,713.17-368,385.73

Finding the Fourth Proportional to 654,865.64, 903,713.17 and 368,385.73

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Solution

The fourth proportional to 654,865.64, 903,713.17 and 368,385.73 is: 508,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,865.64 : 903,713.17 = 368,385.73 : x
  2. Step 2: Convert to fraction form
    654,865.64/903,713.17 = 368,385.73/x
  3. Step 3: Cross multiply
    654,865.64x = 903,713.17 × 368,385.73
  4. Step 4: Simplify right side
    654,865.64x = 332,915,032,660.82
  5. Step 5: Solve for x
    x = 332,915,032,660.82/654,865.64
  6. Step 6: Final answer
    x = 508,371.51

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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.