Home / 690,895.52-1,036,343.30-269,876.15

Finding the Fourth Proportional to 690,895.52, 1,036,343.30 and 269,876.15

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Solution

The fourth proportional to 690,895.52, 1,036,343.30 and 269,876.15 is: 404,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,895.52 : 1,036,343.30 = 269,876.15 : x
  2. Step 2: Convert to fraction form
    690,895.52/1,036,343.30 = 269,876.15/x
  3. Step 3: Cross multiply
    690,895.52x = 1,036,343.30 × 269,876.15
  4. Step 4: Simplify right side
    690,895.52x = 279,684,333,351.20
  5. Step 5: Solve for x
    x = 279,684,333,351.20/690,895.52
  6. Step 6: Final answer
    x = 404,814.23

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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.