Home / 690,224.70-1,034,721.45-269,402.70

Finding the Fourth Proportional to 690,224.70, 1,034,721.45 and 269,402.70

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Solution

The fourth proportional to 690,224.70, 1,034,721.45 and 269,402.70 is: 403,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,224.70 : 1,034,721.45 = 269,402.70 : x
  2. Step 2: Convert to fraction form
    690,224.70/1,034,721.45 = 269,402.70/x
  3. Step 3: Cross multiply
    690,224.70x = 1,034,721.45 × 269,402.70
  4. Step 4: Simplify right side
    690,224.70x = 278,756,752,377.92
  5. Step 5: Solve for x
    x = 278,756,752,377.92/690,224.70
  6. Step 6: Final answer
    x = 403,863.77

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1.5x scale

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.