Home / 723,751.20-1,086,663.60-408,823.20

Finding the Fourth Proportional to 723,751.20, 1,086,663.60 and 408,823.20

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Solution

The fourth proportional to 723,751.20, 1,086,663.60 and 408,823.20 is: 613,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,751.20 : 1,086,663.60 = 408,823.20 : x
  2. Step 2: Convert to fraction form
    723,751.20/1,086,663.60 = 408,823.20/x
  3. Step 3: Cross multiply
    723,751.20x = 1,086,663.60 × 408,823.20
  4. Step 4: Simplify right side
    723,751.20x = 444,253,290,275.52
  5. Step 5: Solve for x
    x = 444,253,290,275.52/723,751.20
  6. Step 6: Final answer
    x = 613,820.45

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1.5x scale

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.