Home / 721,446.48-1,082,158.74-248,135.94

Finding the Fourth Proportional to 721,446.48, 1,082,158.74 and 248,135.94

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Solution

The fourth proportional to 721,446.48, 1,082,158.74 and 248,135.94 is: 372,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,446.48 : 1,082,158.74 = 248,135.94 : x
  2. Step 2: Convert to fraction form
    721,446.48/1,082,158.74 = 248,135.94/x
  3. Step 3: Cross multiply
    721,446.48x = 1,082,158.74 × 248,135.94
  4. Step 4: Simplify right side
    721,446.48x = 268,522,476,179.12
  5. Step 5: Solve for x
    x = 268,522,476,179.12/721,446.48
  6. Step 6: Final answer
    x = 372,200.13

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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.