Home / 724,468.80-1,086,668.13-275,154.60

Finding the Fourth Proportional to 724,468.80, 1,086,668.13 and 275,154.60

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Solution

The fourth proportional to 724,468.80, 1,086,668.13 and 275,154.60 is: 412,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,468.80 : 1,086,668.13 = 275,154.60 : x
  2. Step 2: Convert to fraction form
    724,468.80/1,086,668.13 = 275,154.60/x
  3. Step 3: Cross multiply
    724,468.80x = 1,086,668.13 × 275,154.60
  4. Step 4: Simplify right side
    724,468.80x = 299,001,734,642.90
  5. Step 5: Solve for x
    x = 299,001,734,642.90/724,468.80
  6. Step 6: Final answer
    x = 412,718.58

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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.