Home / 887,414.60-1,331,121.90-607,478.60

Finding the Fourth Proportional to 887,414.60, 1,331,121.90 and 607,478.60

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Solution

The fourth proportional to 887,414.60, 1,331,121.90 and 607,478.60 is: 911,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,414.60 : 1,331,121.90 = 607,478.60 : x
  2. Step 2: Convert to fraction form
    887,414.60/1,331,121.90 = 607,478.60/x
  3. Step 3: Cross multiply
    887,414.60x = 1,331,121.90 × 607,478.60
  4. Step 4: Simplify right side
    887,414.60x = 808,628,068,241.34
  5. Step 5: Solve for x
    x = 808,628,068,241.34/887,414.60
  6. Step 6: Final answer
    x = 911,217.90

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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.