Home / 993,250.80-1,488,839.40-543,279.60

Finding the Fourth Proportional to 993,250.80, 1,488,839.40 and 543,279.60

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Solution

The fourth proportional to 993,250.80, 1,488,839.40 and 543,279.60 is: 814,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,250.80 : 1,488,839.40 = 543,279.60 : x
  2. Step 2: Convert to fraction form
    993,250.80/1,488,839.40 = 543,279.60/x
  3. Step 3: Cross multiply
    993,250.80x = 1,488,839.40 × 543,279.60
  4. Step 4: Simplify right side
    993,250.80x = 808,856,073,696.24
  5. Step 5: Solve for x
    x = 808,856,073,696.24/993,250.80
  6. Step 6: Final answer
    x = 814,352.30

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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.