Home / 861,042.48-1,291,760.28-262,088.52

Finding the Fourth Proportional to 861,042.48, 1,291,760.28 and 262,088.52

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Solution

The fourth proportional to 861,042.48, 1,291,760.28 and 262,088.52 is: 393,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,042.48 : 1,291,760.28 = 262,088.52 : x
  2. Step 2: Convert to fraction form
    861,042.48/1,291,760.28 = 262,088.52/x
  3. Step 3: Cross multiply
    861,042.48x = 1,291,760.28 × 262,088.52
  4. Step 4: Simplify right side
    861,042.48x = 338,555,539,979.99
  5. Step 5: Solve for x
    x = 338,555,539,979.99/861,042.48
  6. Step 6: Final answer
    x = 393,192.61

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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.