Home / 741,402.72-1,112,190.48-268,310.88

Finding the Fourth Proportional to 741,402.72, 1,112,190.48 and 268,310.88

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Solution

The fourth proportional to 741,402.72, 1,112,190.48 and 268,310.88 is: 402,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,402.72 : 1,112,190.48 = 268,310.88 : x
  2. Step 2: Convert to fraction form
    741,402.72/1,112,190.48 = 268,310.88/x
  3. Step 3: Cross multiply
    741,402.72x = 1,112,190.48 × 268,310.88
  4. Step 4: Simplify right side
    741,402.72x = 298,412,806,416.42
  5. Step 5: Solve for x
    x = 298,412,806,416.42/741,402.72
  6. Step 6: Final answer
    x = 402,497.59

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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.