Home / 791,963.20-1,091,851.94-629,159.90

Finding the Fourth Proportional to 791,963.20, 1,091,851.94 and 629,159.90

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Solution

The fourth proportional to 791,963.20, 1,091,851.94 and 629,159.90 is: 867,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,963.20 : 1,091,851.94 = 629,159.90 : x
  2. Step 2: Convert to fraction form
    791,963.20/1,091,851.94 = 629,159.90/x
  3. Step 3: Cross multiply
    791,963.20x = 1,091,851.94 × 629,159.90
  4. Step 4: Simplify right side
    791,963.20x = 686,949,457,385.21
  5. Step 5: Solve for x
    x = 686,949,457,385.21/791,963.20
  6. Step 6: Final answer
    x = 867,400.73

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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.