Home / 782,084.77-1,173,570.93-422,250.82

Finding the Fourth Proportional to 782,084.77, 1,173,570.93 and 422,250.82

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Solution

The fourth proportional to 782,084.77, 1,173,570.93 and 422,250.82 is: 633,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,084.77 : 1,173,570.93 = 422,250.82 : x
  2. Step 2: Convert to fraction form
    782,084.77/1,173,570.93 = 422,250.82/x
  3. Step 3: Cross multiply
    782,084.77x = 1,173,570.93 × 422,250.82
  4. Step 4: Simplify right side
    782,084.77x = 495,541,292,375.65
  5. Step 5: Solve for x
    x = 495,541,292,375.65/782,084.77
  6. Step 6: Final answer
    x = 633,615.83

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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.