Home / 834,887.52-1,251,223.68-454,833.12

Finding the Fourth Proportional to 834,887.52, 1,251,223.68 and 454,833.12

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Solution

The fourth proportional to 834,887.52, 1,251,223.68 and 454,833.12 is: 681,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,887.52 : 1,251,223.68 = 454,833.12 : x
  2. Step 2: Convert to fraction form
    834,887.52/1,251,223.68 = 454,833.12/x
  3. Step 3: Cross multiply
    834,887.52x = 1,251,223.68 × 454,833.12
  4. Step 4: Simplify right side
    834,887.52x = 569,097,970,192.28
  5. Step 5: Solve for x
    x = 569,097,970,192.28/834,887.52
  6. Step 6: Final answer
    x = 681,646.28

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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.