Home / 741,549.72-1,112,410.98-268,457.88

Finding the Fourth Proportional to 741,549.72, 1,112,410.98 and 268,457.88

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Solution

The fourth proportional to 741,549.72, 1,112,410.98 and 268,457.88 is: 402,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,549.72 : 1,112,410.98 = 268,457.88 : x
  2. Step 2: Convert to fraction form
    741,549.72/1,112,410.98 = 268,457.88/x
  3. Step 3: Cross multiply
    741,549.72x = 1,112,410.98 × 268,457.88
  4. Step 4: Simplify right side
    741,549.72x = 298,635,493,379.52
  5. Step 5: Solve for x
    x = 298,635,493,379.52/741,549.72
  6. Step 6: Final answer
    x = 402,718.10

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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.