Home / 781,787.64-1,171,154.18-538,585.76

Finding the Fourth Proportional to 781,787.64, 1,171,154.18 and 538,585.76

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Solution

The fourth proportional to 781,787.64, 1,171,154.18 and 538,585.76 is: 806,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,787.64 : 1,171,154.18 = 538,585.76 : x
  2. Step 2: Convert to fraction form
    781,787.64/1,171,154.18 = 538,585.76/x
  3. Step 3: Cross multiply
    781,787.64x = 1,171,154.18 × 538,585.76
  4. Step 4: Simplify right side
    781,787.64x = 630,766,964,112.48
  5. Step 5: Solve for x
    x = 630,766,964,112.48/781,787.64
  6. Step 6: Final answer
    x = 806,826.47

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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.