Home / 783,073.20-1,175,484.60-731,678.70

Finding the Fourth Proportional to 783,073.20, 1,175,484.60 and 731,678.70

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Solution

The fourth proportional to 783,073.20, 1,175,484.60 and 731,678.70 is: 1,098,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,073.20 : 1,175,484.60 = 731,678.70 : x
  2. Step 2: Convert to fraction form
    783,073.20/1,175,484.60 = 731,678.70/x
  3. Step 3: Cross multiply
    783,073.20x = 1,175,484.60 × 731,678.70
  4. Step 4: Simplify right side
    783,073.20x = 860,077,043,998.02
  5. Step 5: Solve for x
    x = 860,077,043,998.02/783,073.20
  6. Step 6: Final answer
    x = 1,098,335.44

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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.