Home / 754,205.30-1,131,011.48-274,319.18

Finding the Fourth Proportional to 754,205.30, 1,131,011.48 and 274,319.18

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Solution

The fourth proportional to 754,205.30, 1,131,011.48 and 274,319.18 is: 411,370.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,205.30 : 1,131,011.48 = 274,319.18 : x
  2. Step 2: Convert to fraction form
    754,205.30/1,131,011.48 = 274,319.18/x
  3. Step 3: Cross multiply
    754,205.30x = 1,131,011.48 × 274,319.18
  4. Step 4: Simplify right side
    754,205.30x = 310,258,136,109.13
  5. Step 5: Solve for x
    x = 310,258,136,109.13/754,205.30
  6. Step 6: Final answer
    x = 411,370.93

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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.