Home / 781,286.64-1,171,929.96-282,534

Finding the Fourth Proportional to 781,286.64, 1,171,929.96 and 282,534

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Solution

The fourth proportional to 781,286.64, 1,171,929.96 and 282,534 is: 423,801

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,286.64 : 1,171,929.96 = 282,534 : x
  2. Step 2: Convert to fraction form
    781,286.64/1,171,929.96 = 282,534/x
  3. Step 3: Cross multiply
    781,286.64x = 1,171,929.96 × 282,534
  4. Step 4: Simplify right side
    781,286.64x = 331,110,059,318.64
  5. Step 5: Solve for x
    x = 331,110,059,318.64/781,286.64
  6. Step 6: Final answer
    x = 423,801

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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.