Home / 439,741.14-606,857.70-258,450.48

Finding the Fourth Proportional to 439,741.14, 606,857.70 and 258,450.48

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Solution

The fourth proportional to 439,741.14, 606,857.70 and 258,450.48 is: 356,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,741.14 : 606,857.70 = 258,450.48 : x
  2. Step 2: Convert to fraction form
    439,741.14/606,857.70 = 258,450.48/x
  3. Step 3: Cross multiply
    439,741.14x = 606,857.70 × 258,450.48
  4. Step 4: Simplify right side
    439,741.14x = 156,842,663,856.70
  5. Step 5: Solve for x
    x = 156,842,663,856.70/439,741.14
  6. Step 6: Final answer
    x = 356,670.44

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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.