Home / 690,901.26-1,036,351.93-269,881.90

Finding the Fourth Proportional to 690,901.26, 1,036,351.93 and 269,881.90

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Solution

The fourth proportional to 690,901.26, 1,036,351.93 and 269,881.90 is: 404,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,901.26 : 1,036,351.93 = 269,881.90 : x
  2. Step 2: Convert to fraction form
    690,901.26/1,036,351.93 = 269,881.90/x
  3. Step 3: Cross multiply
    690,901.26x = 1,036,351.93 × 269,881.90
  4. Step 4: Simplify right side
    690,901.26x = 279,692,627,937.07
  5. Step 5: Solve for x
    x = 279,692,627,937.07/690,901.26
  6. Step 6: Final answer
    x = 404,822.87

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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.