Home / 754,087.42-1,131,670.79-274,314.30

Finding the Fourth Proportional to 754,087.42, 1,131,670.79 and 274,314.30

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Solution

The fourth proportional to 754,087.42, 1,131,670.79 and 274,314.30 is: 411,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,087.42 : 1,131,670.79 = 274,314.30 : x
  2. Step 2: Convert to fraction form
    754,087.42/1,131,670.79 = 274,314.30/x
  3. Step 3: Cross multiply
    754,087.42x = 1,131,670.79 × 274,314.30
  4. Step 4: Simplify right side
    754,087.42x = 310,433,480,589.30
  5. Step 5: Solve for x
    x = 310,433,480,589.30/754,087.42
  6. Step 6: Final answer
    x = 411,667.76

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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.