Home / 861,514.43-1,292,464.38-262,522.47

Finding the Fourth Proportional to 861,514.43, 1,292,464.38 and 262,522.47

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Solution

The fourth proportional to 861,514.43, 1,292,464.38 and 262,522.47 is: 393,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,514.43 : 1,292,464.38 = 262,522.47 : x
  2. Step 2: Convert to fraction form
    861,514.43/1,292,464.38 = 262,522.47/x
  3. Step 3: Cross multiply
    861,514.43x = 1,292,464.38 × 262,522.47
  4. Step 4: Simplify right side
    861,514.43x = 339,300,937,770.67
  5. Step 5: Solve for x
    x = 339,300,937,770.67/861,514.43
  6. Step 6: Final answer
    x = 393,842.43

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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.