Home / 861,276.42-1,291,480.20-501,563.52

Finding the Fourth Proportional to 861,276.42, 1,291,480.20 and 501,563.52

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Solution

The fourth proportional to 861,276.42, 1,291,480.20 and 501,563.52 is: 752,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,276.42 : 1,291,480.20 = 501,563.52 : x
  2. Step 2: Convert to fraction form
    861,276.42/1,291,480.20 = 501,563.52/x
  3. Step 3: Cross multiply
    861,276.42x = 1,291,480.20 × 501,563.52
  4. Step 4: Simplify right side
    861,276.42x = 647,759,355,122.30
  5. Step 5: Solve for x
    x = 647,759,355,122.30/861,276.42
  6. Step 6: Final answer
    x = 752,092.29

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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.