Home / 543,002.20-814,503.30-501,011.80

Finding the Fourth Proportional to 543,002.20, 814,503.30 and 501,011.80

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Solution

The fourth proportional to 543,002.20, 814,503.30 and 501,011.80 is: 751,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,002.20 : 814,503.30 = 501,011.80 : x
  2. Step 2: Convert to fraction form
    543,002.20/814,503.30 = 501,011.80/x
  3. Step 3: Cross multiply
    543,002.20x = 814,503.30 × 501,011.80
  4. Step 4: Simplify right side
    543,002.20x = 408,075,764,438.94
  5. Step 5: Solve for x
    x = 408,075,764,438.94/543,002.20
  6. Step 6: Final answer
    x = 751,517.70

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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.