Home / 690,248.20-1,034,756.70-269,426.20

Finding the Fourth Proportional to 690,248.20, 1,034,756.70 and 269,426.20

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Solution

The fourth proportional to 690,248.20, 1,034,756.70 and 269,426.20 is: 403,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,248.20 : 1,034,756.70 = 269,426.20 : x
  2. Step 2: Convert to fraction form
    690,248.20/1,034,756.70 = 269,426.20/x
  3. Step 3: Cross multiply
    690,248.20x = 1,034,756.70 × 269,426.20
  4. Step 4: Simplify right side
    690,248.20x = 278,790,565,605.54
  5. Step 5: Solve for x
    x = 278,790,565,605.54/690,248.20
  6. Step 6: Final answer
    x = 403,899.01

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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.