Home / 783,009.20-1,175,388.60-731,614.70

Finding the Fourth Proportional to 783,009.20, 1,175,388.60 and 731,614.70

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Solution

The fourth proportional to 783,009.20, 1,175,388.60 and 731,614.70 is: 1,098,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,009.20 : 1,175,388.60 = 731,614.70 : x
  2. Step 2: Convert to fraction form
    783,009.20/1,175,388.60 = 731,614.70/x
  3. Step 3: Cross multiply
    783,009.20x = 1,175,388.60 × 731,614.70
  4. Step 4: Simplify right side
    783,009.20x = 859,931,577,972.42
  5. Step 5: Solve for x
    x = 859,931,577,972.42/783,009.20
  6. Step 6: Final answer
    x = 1,098,239.43

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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.