Home / 449,832.41-620,785.42-245,897.17

Finding the Fourth Proportional to 449,832.41, 620,785.42 and 245,897.17

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Solution

The fourth proportional to 449,832.41, 620,785.42 and 245,897.17 is: 339,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,832.41 : 620,785.42 = 245,897.17 : x
  2. Step 2: Convert to fraction form
    449,832.41/620,785.42 = 245,897.17/x
  3. Step 3: Cross multiply
    449,832.41x = 620,785.42 × 245,897.17
  4. Step 4: Simplify right side
    449,832.41x = 152,649,375,788.56
  5. Step 5: Solve for x
    x = 152,649,375,788.56/449,832.41
  6. Step 6: Final answer
    x = 339,347.21

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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.