Home / 754,086.05-1,131,668.73-274,312.92

Finding the Fourth Proportional to 754,086.05, 1,131,668.73 and 274,312.92

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Solution

The fourth proportional to 754,086.05, 1,131,668.73 and 274,312.92 is: 411,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,086.05 : 1,131,668.73 = 274,312.92 : x
  2. Step 2: Convert to fraction form
    754,086.05/1,131,668.73 = 274,312.92/x
  3. Step 3: Cross multiply
    754,086.05x = 1,131,668.73 × 274,312.92
  4. Step 4: Simplify right side
    754,086.05x = 310,431,353,798.99
  5. Step 5: Solve for x
    x = 310,431,353,798.99/754,086.05
  6. Step 6: Final answer
    x = 411,665.69

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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.