Home / 714,691.20-1,070,481.60-433,718.40

Finding the Fourth Proportional to 714,691.20, 1,070,481.60 and 433,718.40

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Solution

The fourth proportional to 714,691.20, 1,070,481.60 and 433,718.40 is: 649,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,691.20 : 1,070,481.60 = 433,718.40 : x
  2. Step 2: Convert to fraction form
    714,691.20/1,070,481.60 = 433,718.40/x
  3. Step 3: Cross multiply
    714,691.20x = 1,070,481.60 × 433,718.40
  4. Step 4: Simplify right side
    714,691.20x = 464,287,566,781.44
  5. Step 5: Solve for x
    x = 464,287,566,781.44/714,691.20
  6. Step 6: Final answer
    x = 649,633.81

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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.