Home / 501,442.95-691,987.14-271,999.65

Finding the Fourth Proportional to 501,442.95, 691,987.14 and 271,999.65

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Solution

The fourth proportional to 501,442.95, 691,987.14 and 271,999.65 is: 375,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,442.95 : 691,987.14 = 271,999.65 : x
  2. Step 2: Convert to fraction form
    501,442.95/691,987.14 = 271,999.65/x
  3. Step 3: Cross multiply
    501,442.95x = 691,987.14 × 271,999.65
  4. Step 4: Simplify right side
    501,442.95x = 188,220,259,884.50
  5. Step 5: Solve for x
    x = 188,220,259,884.50/501,442.95
  6. Step 6: Final answer
    x = 375,357.28

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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.