Home / 880,884.80-1,321,327.20-731,423.60

Finding the Fourth Proportional to 880,884.80, 1,321,327.20 and 731,423.60

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Solution

The fourth proportional to 880,884.80, 1,321,327.20 and 731,423.60 is: 1,097,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,884.80 : 1,321,327.20 = 731,423.60 : x
  2. Step 2: Convert to fraction form
    880,884.80/1,321,327.20 = 731,423.60/x
  3. Step 3: Cross multiply
    880,884.80x = 1,321,327.20 × 731,423.60
  4. Step 4: Simplify right side
    880,884.80x = 966,449,897,401.92
  5. Step 5: Solve for x
    x = 966,449,897,401.92/880,884.80
  6. Step 6: Final answer
    x = 1,097,135.40

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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.