Home / 959,139.52-1,438,997.28-454,085.44

Finding the Fourth Proportional to 959,139.52, 1,438,997.28 and 454,085.44

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Solution

The fourth proportional to 959,139.52, 1,438,997.28 and 454,085.44 is: 681,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,139.52 : 1,438,997.28 = 454,085.44 : x
  2. Step 2: Convert to fraction form
    959,139.52/1,438,997.28 = 454,085.44/x
  3. Step 3: Cross multiply
    959,139.52x = 1,438,997.28 × 454,085.44
  4. Step 4: Simplify right side
    959,139.52x = 653,427,713,047.60
  5. Step 5: Solve for x
    x = 653,427,713,047.60/959,139.52
  6. Step 6: Final answer
    x = 681,264.51

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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.