Home / 815,704.94-1,223,972.94-577,351.10

Finding the Fourth Proportional to 815,704.94, 1,223,972.94 and 577,351.10

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Solution

The fourth proportional to 815,704.94, 1,223,972.94 and 577,351.10 is: 866,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,704.94 : 1,223,972.94 = 577,351.10 : x
  2. Step 2: Convert to fraction form
    815,704.94/1,223,972.94 = 577,351.10/x
  3. Step 3: Cross multiply
    815,704.94x = 1,223,972.94 × 577,351.10
  4. Step 4: Simplify right side
    815,704.94x = 706,662,123,279.23
  5. Step 5: Solve for x
    x = 706,662,123,279.23/815,704.94
  6. Step 6: Final answer
    x = 866,320.76

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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.