Home / 816,077.20-1,223,273.40-367,013.20

Finding the Fourth Proportional to 816,077.20, 1,223,273.40 and 367,013.20

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Solution

The fourth proportional to 816,077.20, 1,223,273.40 and 367,013.20 is: 550,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,077.20 : 1,223,273.40 = 367,013.20 : x
  2. Step 2: Convert to fraction form
    816,077.20/1,223,273.40 = 367,013.20/x
  3. Step 3: Cross multiply
    816,077.20x = 1,223,273.40 × 367,013.20
  4. Step 4: Simplify right side
    816,077.20x = 448,957,485,008.88
  5. Step 5: Solve for x
    x = 448,957,485,008.88/816,077.20
  6. Step 6: Final answer
    x = 550,140.95

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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.