Home / 501,117.84-691,538.04-274,758.48

Finding the Fourth Proportional to 501,117.84, 691,538.04 and 274,758.48

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Solution

The fourth proportional to 501,117.84, 691,538.04 and 274,758.48 is: 379,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,117.84 : 691,538.04 = 274,758.48 : x
  2. Step 2: Convert to fraction form
    501,117.84/691,538.04 = 274,758.48/x
  3. Step 3: Cross multiply
    501,117.84x = 691,538.04 × 274,758.48
  4. Step 4: Simplify right side
    501,117.84x = 190,005,940,732.58
  5. Step 5: Solve for x
    x = 190,005,940,732.58/501,117.84
  6. Step 6: Final answer
    x = 379,164.19

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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.