Home / 438,774.80-605,569.36-252,502.43

Finding the Fourth Proportional to 438,774.80, 605,569.36 and 252,502.43

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Solution

The fourth proportional to 438,774.80, 605,569.36 and 252,502.43 is: 348,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,774.80 : 605,569.36 = 252,502.43 : x
  2. Step 2: Convert to fraction form
    438,774.80/605,569.36 = 252,502.43/x
  3. Step 3: Cross multiply
    438,774.80x = 605,569.36 × 252,502.43
  4. Step 4: Simplify right side
    438,774.80x = 152,907,734,933.55
  5. Step 5: Solve for x
    x = 152,907,734,933.55/438,774.80
  6. Step 6: Final answer
    x = 348,487.96

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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.