Home / 754,206.55-1,131,013.36-274,320.43

Finding the Fourth Proportional to 754,206.55, 1,131,013.36 and 274,320.43

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Solution

The fourth proportional to 754,206.55, 1,131,013.36 and 274,320.43 is: 411,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,206.55 : 1,131,013.36 = 274,320.43 : x
  2. Step 2: Convert to fraction form
    754,206.55/1,131,013.36 = 274,320.43/x
  3. Step 3: Cross multiply
    754,206.55x = 1,131,013.36 × 274,320.43
  4. Step 4: Simplify right side
    754,206.55x = 310,260,064,224.28
  5. Step 5: Solve for x
    x = 310,260,064,224.28/754,206.55
  6. Step 6: Final answer
    x = 411,372.81

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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.