Home / 887,489.92-1,331,104.32-288,505.60

Finding the Fourth Proportional to 887,489.92, 1,331,104.32 and 288,505.60

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Solution

The fourth proportional to 887,489.92, 1,331,104.32 and 288,505.60 is: 432,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,489.92 : 1,331,104.32 = 288,505.60 : x
  2. Step 2: Convert to fraction form
    887,489.92/1,331,104.32 = 288,505.60/x
  3. Step 3: Cross multiply
    887,489.92x = 1,331,104.32 × 288,505.60
  4. Step 4: Simplify right side
    887,489.92x = 384,031,050,504.19
  5. Step 5: Solve for x
    x = 384,031,050,504.19/887,489.92
  6. Step 6: Final answer
    x = 432,715.96

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Double scale
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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.