Home / 718,255.97-1,074,722.68-575,668.78

Finding the Fourth Proportional to 718,255.97, 1,074,722.68 and 575,668.78

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Solution

The fourth proportional to 718,255.97, 1,074,722.68 and 575,668.78 is: 861,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,255.97 : 1,074,722.68 = 575,668.78 : x
  2. Step 2: Convert to fraction form
    718,255.97/1,074,722.68 = 575,668.78/x
  3. Step 3: Cross multiply
    718,255.97x = 1,074,722.68 × 575,668.78
  4. Step 4: Simplify right side
    718,255.97x = 618,684,292,066.71
  5. Step 5: Solve for x
    x = 618,684,292,066.71/718,255.97
  6. Step 6: Final answer
    x = 861,370.21

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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.