Home / 690,103.20-1,034,539.20-269,281.20

Finding the Fourth Proportional to 690,103.20, 1,034,539.20 and 269,281.20

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Solution

The fourth proportional to 690,103.20, 1,034,539.20 and 269,281.20 is: 403,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,103.20 : 1,034,539.20 = 269,281.20 : x
  2. Step 2: Convert to fraction form
    690,103.20/1,034,539.20 = 269,281.20/x
  3. Step 3: Cross multiply
    690,103.20x = 1,034,539.20 × 269,281.20
  4. Step 4: Simplify right side
    690,103.20x = 278,581,957,223.04
  5. Step 5: Solve for x
    x = 278,581,957,223.04/690,103.20
  6. Step 6: Final answer
    x = 403,681.59

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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.