Home / 501,240.06-691,712.19-274,887.18

Finding the Fourth Proportional to 501,240.06, 691,712.19 and 274,887.18

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Solution

The fourth proportional to 501,240.06, 691,712.19 and 274,887.18 is: 379,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,240.06 : 691,712.19 = 274,887.18 : x
  2. Step 2: Convert to fraction form
    501,240.06/691,712.19 = 274,887.18/x
  3. Step 3: Cross multiply
    501,240.06x = 691,712.19 × 274,887.18
  4. Step 4: Simplify right side
    501,240.06x = 190,142,813,280.72
  5. Step 5: Solve for x
    x = 190,142,813,280.72/501,240.06
  6. Step 6: Final answer
    x = 379,344.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.