Home / 501,417.12-691,943.76-275,060.64

Finding the Fourth Proportional to 501,417.12, 691,943.76 and 275,060.64

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Solution

The fourth proportional to 501,417.12, 691,943.76 and 275,060.64 is: 379,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,417.12 : 691,943.76 = 275,060.64 : x
  2. Step 2: Convert to fraction form
    501,417.12/691,943.76 = 275,060.64/x
  3. Step 3: Cross multiply
    501,417.12x = 691,943.76 × 275,060.64
  4. Step 4: Simplify right side
    501,417.12x = 190,326,493,469.61
  5. Step 5: Solve for x
    x = 190,326,493,469.61/501,417.12
  6. Step 6: Final answer
    x = 379,577.17

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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.