Home / 783,071.20-1,175,481.60-731,676.70

Finding the Fourth Proportional to 783,071.20, 1,175,481.60 and 731,676.70

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Solution

The fourth proportional to 783,071.20, 1,175,481.60 and 731,676.70 is: 1,098,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,071.20 : 1,175,481.60 = 731,676.70 : x
  2. Step 2: Convert to fraction form
    783,071.20/1,175,481.60 = 731,676.70/x
  3. Step 3: Cross multiply
    783,071.20x = 1,175,481.60 × 731,676.70
  4. Step 4: Simplify right side
    783,071.20x = 860,072,497,998.72
  5. Step 5: Solve for x
    x = 860,072,497,998.72/783,071.20
  6. Step 6: Final answer
    x = 1,098,332.44

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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.