Home / 754,205.05-1,131,011.11-274,318.93

Finding the Fourth Proportional to 754,205.05, 1,131,011.11 and 274,318.93

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Solution

The fourth proportional to 754,205.05, 1,131,011.11 and 274,318.93 is: 411,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,205.05 : 1,131,011.11 = 274,318.93 : x
  2. Step 2: Convert to fraction form
    754,205.05/1,131,011.11 = 274,318.93/x
  3. Step 3: Cross multiply
    754,205.05x = 1,131,011.11 × 274,318.93
  4. Step 4: Simplify right side
    754,205.05x = 310,257,750,486.66
  5. Step 5: Solve for x
    x = 310,257,750,486.66/754,205.05
  6. Step 6: Final answer
    x = 411,370.56

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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.