Home / 853,258.76-1,280,587.98-432,654.92

Finding the Fourth Proportional to 853,258.76, 1,280,587.98 and 432,654.92

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Solution

The fourth proportional to 853,258.76, 1,280,587.98 and 432,654.92 is: 649,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,258.76 : 1,280,587.98 = 432,654.92 : x
  2. Step 2: Convert to fraction form
    853,258.76/1,280,587.98 = 432,654.92/x
  3. Step 3: Cross multiply
    853,258.76x = 1,280,587.98 × 432,654.92
  4. Step 4: Simplify right side
    853,258.76x = 554,052,690,039.86
  5. Step 5: Solve for x
    x = 554,052,690,039.86/853,258.76
  6. Step 6: Final answer
    x = 649,337.24

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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.