Home / 812,002.98-1,120,566.33-449,451.84

Finding the Fourth Proportional to 812,002.98, 1,120,566.33 and 449,451.84

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Solution

The fourth proportional to 812,002.98, 1,120,566.33 and 449,451.84 is: 620,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,002.98 : 1,120,566.33 = 449,451.84 : x
  2. Step 2: Convert to fraction form
    812,002.98/1,120,566.33 = 449,451.84/x
  3. Step 3: Cross multiply
    812,002.98x = 1,120,566.33 × 449,451.84
  4. Step 4: Simplify right side
    812,002.98x = 503,640,598,860.55
  5. Step 5: Solve for x
    x = 503,640,598,860.55/812,002.98
  6. Step 6: Final answer
    x = 620,244.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.