Home / 439,378.89-606,314.23-245,753.04

Finding the Fourth Proportional to 439,378.89, 606,314.23 and 245,753.04

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Solution

The fourth proportional to 439,378.89, 606,314.23 and 245,753.04 is: 339,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,378.89 : 606,314.23 = 245,753.04 : x
  2. Step 2: Convert to fraction form
    439,378.89/606,314.23 = 245,753.04/x
  3. Step 3: Cross multiply
    439,378.89x = 606,314.23 × 245,753.04
  4. Step 4: Simplify right side
    439,378.89x = 149,003,565,217.76
  5. Step 5: Solve for x
    x = 149,003,565,217.76/439,378.89
  6. Step 6: Final answer
    x = 339,123.18

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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.