Home / 862,546.80-1,292,161.94-482,314.28

Finding the Fourth Proportional to 862,546.80, 1,292,161.94 and 482,314.28

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Solution

The fourth proportional to 862,546.80, 1,292,161.94 and 482,314.28 is: 722,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,546.80 : 1,292,161.94 = 482,314.28 : x
  2. Step 2: Convert to fraction form
    862,546.80/1,292,161.94 = 482,314.28/x
  3. Step 3: Cross multiply
    862,546.80x = 1,292,161.94 × 482,314.28
  4. Step 4: Simplify right side
    862,546.80x = 623,228,155,734.50
  5. Step 5: Solve for x
    x = 623,228,155,734.50/862,546.80
  6. Step 6: Final answer
    x = 722,544.16

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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.