Home / 979,086.42-1,468,636.11-269,189.46

Finding the Fourth Proportional to 979,086.42, 1,468,636.11 and 269,189.46

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Solution

The fourth proportional to 979,086.42, 1,468,636.11 and 269,189.46 is: 403,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,086.42 : 1,468,636.11 = 269,189.46 : x
  2. Step 2: Convert to fraction form
    979,086.42/1,468,636.11 = 269,189.46/x
  3. Step 3: Cross multiply
    979,086.42x = 1,468,636.11 × 269,189.46
  4. Step 4: Simplify right side
    979,086.42x = 395,341,361,387.40
  5. Step 5: Solve for x
    x = 395,341,361,387.40/979,086.42
  6. Step 6: Final answer
    x = 403,785.97

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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.