Home / 781,787.52-1,172,850.24-242,042.88

Finding the Fourth Proportional to 781,787.52, 1,172,850.24 and 242,042.88

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Solution

The fourth proportional to 781,787.52, 1,172,850.24 and 242,042.88 is: 363,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,787.52 : 1,172,850.24 = 242,042.88 : x
  2. Step 2: Convert to fraction form
    781,787.52/1,172,850.24 = 242,042.88/x
  3. Step 3: Cross multiply
    781,787.52x = 1,172,850.24 × 242,042.88
  4. Step 4: Simplify right side
    781,787.52x = 283,880,049,898.29
  5. Step 5: Solve for x
    x = 283,880,049,898.29/781,787.52
  6. Step 6: Final answer
    x = 363,116.63

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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.