Home / 754,210.30-1,131,018.98-274,324.18

Finding the Fourth Proportional to 754,210.30, 1,131,018.98 and 274,324.18

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Solution

The fourth proportional to 754,210.30, 1,131,018.98 and 274,324.18 is: 411,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,210.30 : 1,131,018.98 = 274,324.18 : x
  2. Step 2: Convert to fraction form
    754,210.30/1,131,018.98 = 274,324.18/x
  3. Step 3: Cross multiply
    754,210.30x = 1,131,018.98 × 274,324.18
  4. Step 4: Simplify right side
    754,210.30x = 310,265,854,252.94
  5. Step 5: Solve for x
    x = 310,265,854,252.94/754,210.30
  6. Step 6: Final answer
    x = 411,378.44

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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.