Home / 887,403.60-1,331,105.40-551,480.40

Finding the Fourth Proportional to 887,403.60, 1,331,105.40 and 551,480.40

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Solution

The fourth proportional to 887,403.60, 1,331,105.40 and 551,480.40 is: 827,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,403.60 : 1,331,105.40 = 551,480.40 : x
  2. Step 2: Convert to fraction form
    887,403.60/1,331,105.40 = 551,480.40/x
  3. Step 3: Cross multiply
    887,403.60x = 1,331,105.40 × 551,480.40
  4. Step 4: Simplify right side
    887,403.60x = 734,078,538,434.16
  5. Step 5: Solve for x
    x = 734,078,538,434.16/887,403.60
  6. Step 6: Final answer
    x = 827,220.60

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Similar ratio
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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.