Home / 754,087.05-1,131,670.23-274,313.92

Finding the Fourth Proportional to 754,087.05, 1,131,670.23 and 274,313.92

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Solution

The fourth proportional to 754,087.05, 1,131,670.23 and 274,313.92 is: 411,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,087.05 : 1,131,670.23 = 274,313.92 : x
  2. Step 2: Convert to fraction form
    754,087.05/1,131,670.23 = 274,313.92/x
  3. Step 3: Cross multiply
    754,087.05x = 1,131,670.23 × 274,313.92
  4. Step 4: Simplify right side
    754,087.05x = 310,432,896,938.60
  5. Step 5: Solve for x
    x = 310,432,896,938.60/754,087.05
  6. Step 6: Final answer
    x = 411,667.19

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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.