Home / 663,863.28-995,793.40-284,538.05

Finding the Fourth Proportional to 663,863.28, 995,793.40 and 284,538.05

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Solution

The fourth proportional to 663,863.28, 995,793.40 and 284,538.05 is: 426,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,863.28 : 995,793.40 = 284,538.05 : x
  2. Step 2: Convert to fraction form
    663,863.28/995,793.40 = 284,538.05/x
  3. Step 3: Cross multiply
    663,863.28x = 995,793.40 × 284,538.05
  4. Step 4: Simplify right side
    663,863.28x = 283,341,110,816.18
  5. Step 5: Solve for x
    x = 283,341,110,816.18/663,863.28
  6. Step 6: Final answer
    x = 426,806.42

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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.