Home / 791,964.20-1,091,853.32-629,160.90

Finding the Fourth Proportional to 791,964.20, 1,091,853.32 and 629,160.90

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Solution

The fourth proportional to 791,964.20, 1,091,853.32 and 629,160.90 is: 867,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,964.20 : 1,091,853.32 = 629,160.90 : x
  2. Step 2: Convert to fraction form
    791,964.20/1,091,853.32 = 629,160.90/x
  3. Step 3: Cross multiply
    791,964.20x = 1,091,853.32 × 629,160.90
  4. Step 4: Simplify right side
    791,964.20x = 686,951,417,479.19
  5. Step 5: Solve for x
    x = 686,951,417,479.19/791,964.20
  6. Step 6: Final answer
    x = 867,402.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.