Home / 501,272.10-691,799.25-274,961.34

Finding the Fourth Proportional to 501,272.10, 691,799.25 and 274,961.34

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Solution

The fourth proportional to 501,272.10, 691,799.25 and 274,961.34 is: 379,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,272.10 : 691,799.25 = 274,961.34 : x
  2. Step 2: Convert to fraction form
    501,272.10/691,799.25 = 274,961.34/x
  3. Step 3: Cross multiply
    501,272.10x = 691,799.25 × 274,961.34
  4. Step 4: Simplify right side
    501,272.10x = 190,218,048,791.00
  5. Step 5: Solve for x
    x = 190,218,048,791.00/501,272.10
  6. Step 6: Final answer
    x = 379,470.65

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1.5x scale

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.