Home / 744,191.80-1,116,546.90-323,769.40

Finding the Fourth Proportional to 744,191.80, 1,116,546.90 and 323,769.40

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Solution

The fourth proportional to 744,191.80, 1,116,546.90 and 323,769.40 is: 485,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,191.80 : 1,116,546.90 = 323,769.40 : x
  2. Step 2: Convert to fraction form
    744,191.80/1,116,546.90 = 323,769.40/x
  3. Step 3: Cross multiply
    744,191.80x = 1,116,546.90 × 323,769.40
  4. Step 4: Simplify right side
    744,191.80x = 361,503,719,884.86
  5. Step 5: Solve for x
    x = 361,503,719,884.86/744,191.80
  6. Step 6: Final answer
    x = 485,766.87

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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.