Home / 980,472.30-1,470,793.17-270,500.34

Finding the Fourth Proportional to 980,472.30, 1,470,793.17 and 270,500.34

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Solution

The fourth proportional to 980,472.30, 1,470,793.17 and 270,500.34 is: 405,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,472.30 : 1,470,793.17 = 270,500.34 : x
  2. Step 2: Convert to fraction form
    980,472.30/1,470,793.17 = 270,500.34/x
  3. Step 3: Cross multiply
    980,472.30x = 1,470,793.17 × 270,500.34
  4. Step 4: Simplify right side
    980,472.30x = 397,850,055,555.41
  5. Step 5: Solve for x
    x = 397,850,055,555.41/980,472.30
  6. Step 6: Final answer
    x = 405,773.89

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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.