Home / 861,906.92-1,291,961.96-482,271.04

Finding the Fourth Proportional to 861,906.92, 1,291,961.96 and 482,271.04

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Solution

The fourth proportional to 861,906.92, 1,291,961.96 and 482,271.04 is: 722,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,906.92 : 1,291,961.96 = 482,271.04 : x
  2. Step 2: Convert to fraction form
    861,906.92/1,291,961.96 = 482,271.04/x
  3. Step 3: Cross multiply
    861,906.92x = 1,291,961.96 × 482,271.04
  4. Step 4: Simplify right side
    861,906.92x = 623,075,829,218.47
  5. Step 5: Solve for x
    x = 623,075,829,218.47/861,906.92
  6. Step 6: Final answer
    x = 722,903.85

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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.