Home / 815,448.15-1,223,172.23-532,012.95

Finding the Fourth Proportional to 815,448.15, 1,223,172.23 and 532,012.95

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Solution

The fourth proportional to 815,448.15, 1,223,172.23 and 532,012.95 is: 798,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,448.15 : 1,223,172.23 = 532,012.95 : x
  2. Step 2: Convert to fraction form
    815,448.15/1,223,172.23 = 532,012.95/x
  3. Step 3: Cross multiply
    815,448.15x = 1,223,172.23 × 532,012.95
  4. Step 4: Simplify right side
    815,448.15x = 650,743,463,780.31
  5. Step 5: Solve for x
    x = 650,743,463,780.31/815,448.15
  6. Step 6: Final answer
    x = 798,019.43

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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.