Home / 753,245.04-1,129,867.20-192,279.36

Finding the Fourth Proportional to 753,245.04, 1,129,867.20 and 192,279.36

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Solution

The fourth proportional to 753,245.04, 1,129,867.20 and 192,279.36 is: 288,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,245.04 : 1,129,867.20 = 192,279.36 : x
  2. Step 2: Convert to fraction form
    753,245.04/1,129,867.20 = 192,279.36/x
  3. Step 3: Cross multiply
    753,245.04x = 1,129,867.20 × 192,279.36
  4. Step 4: Simplify right side
    753,245.04x = 217,250,142,100.99
  5. Step 5: Solve for x
    x = 217,250,142,100.99/753,245.04
  6. Step 6: Final answer
    x = 288,418.95

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1.5x scale

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.