Home / 861,023.48-1,291,731.78-262,069.52

Finding the Fourth Proportional to 861,023.48, 1,291,731.78 and 262,069.52

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Solution

The fourth proportional to 861,023.48, 1,291,731.78 and 262,069.52 is: 393,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,023.48 : 1,291,731.78 = 262,069.52 : x
  2. Step 2: Convert to fraction form
    861,023.48/1,291,731.78 = 262,069.52/x
  3. Step 3: Cross multiply
    861,023.48x = 1,291,731.78 × 262,069.52
  4. Step 4: Simplify right side
    861,023.48x = 338,523,527,553.35
  5. Step 5: Solve for x
    x = 338,523,527,553.35/861,023.48
  6. Step 6: Final answer
    x = 393,164.11

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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.