Home / 721,436.11-1,082,143.22-248,125.57

Finding the Fourth Proportional to 721,436.11, 1,082,143.22 and 248,125.57

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Solution

The fourth proportional to 721,436.11, 1,082,143.22 and 248,125.57 is: 372,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,436.11 : 1,082,143.22 = 248,125.57 : x
  2. Step 2: Convert to fraction form
    721,436.11/1,082,143.22 = 248,125.57/x
  3. Step 3: Cross multiply
    721,436.11x = 1,082,143.22 × 248,125.57
  4. Step 4: Simplify right side
    721,436.11x = 268,507,403,284.14
  5. Step 5: Solve for x
    x = 268,507,403,284.14/721,436.11
  6. Step 6: Final answer
    x = 372,184.59

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Double scale
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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.