Home / 693,542.40-1,040,342.40-220,214.40

Finding the Fourth Proportional to 693,542.40, 1,040,342.40 and 220,214.40

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Solution

The fourth proportional to 693,542.40, 1,040,342.40 and 220,214.40 is: 330,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,542.40 : 1,040,342.40 = 220,214.40 : x
  2. Step 2: Convert to fraction form
    693,542.40/1,040,342.40 = 220,214.40/x
  3. Step 3: Cross multiply
    693,542.40x = 1,040,342.40 × 220,214.40
  4. Step 4: Simplify right side
    693,542.40x = 229,098,377,410.56
  5. Step 5: Solve for x
    x = 229,098,377,410.56/693,542.40
  6. Step 6: Final answer
    x = 330,330.74

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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.