Home / 834,123.97-1,251,174.27-328,689.34

Finding the Fourth Proportional to 834,123.97, 1,251,174.27 and 328,689.34

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Solution

The fourth proportional to 834,123.97, 1,251,174.27 and 328,689.34 is: 493,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,123.97 : 1,251,174.27 = 328,689.34 : x
  2. Step 2: Convert to fraction form
    834,123.97/1,251,174.27 = 328,689.34/x
  3. Step 3: Cross multiply
    834,123.97x = 1,251,174.27 × 328,689.34
  4. Step 4: Simplify right side
    834,123.97x = 411,247,645,031.28
  5. Step 5: Solve for x
    x = 411,247,645,031.28/834,123.97
  6. Step 6: Final answer
    x = 493,029.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.