Home / 996,942.80-1,495,414.20-518,645.90

Finding the Fourth Proportional to 996,942.80, 1,495,414.20 and 518,645.90

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Solution

The fourth proportional to 996,942.80, 1,495,414.20 and 518,645.90 is: 777,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,942.80 : 1,495,414.20 = 518,645.90 : x
  2. Step 2: Convert to fraction form
    996,942.80/1,495,414.20 = 518,645.90/x
  3. Step 3: Cross multiply
    996,942.80x = 1,495,414.20 × 518,645.90
  4. Step 4: Simplify right side
    996,942.80x = 775,590,443,631.78
  5. Step 5: Solve for x
    x = 775,590,443,631.78/996,942.80
  6. Step 6: Final answer
    x = 777,968.85

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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.