Home / 754,843.28-1,041,286.71-448,701.90

Finding the Fourth Proportional to 754,843.28, 1,041,286.71 and 448,701.90

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Solution

The fourth proportional to 754,843.28, 1,041,286.71 and 448,701.90 is: 618,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,843.28 : 1,041,286.71 = 448,701.90 : x
  2. Step 2: Convert to fraction form
    754,843.28/1,041,286.71 = 448,701.90/x
  3. Step 3: Cross multiply
    754,843.28x = 1,041,286.71 × 448,701.90
  4. Step 4: Simplify right side
    754,843.28x = 467,227,326,332.85
  5. Step 5: Solve for x
    x = 467,227,326,332.85/754,843.28
  6. Step 6: Final answer
    x = 618,972.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.