Home / 449,844.60-620,799.88-245,891.04

Finding the Fourth Proportional to 449,844.60, 620,799.88 and 245,891.04

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Solution

The fourth proportional to 449,844.60, 620,799.88 and 245,891.04 is: 339,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,844.60 : 620,799.88 = 245,891.04 : x
  2. Step 2: Convert to fraction form
    449,844.60/620,799.88 = 245,891.04/x
  3. Step 3: Cross multiply
    449,844.60x = 620,799.88 × 245,891.04
  4. Step 4: Simplify right side
    449,844.60x = 152,649,128,125.08
  5. Step 5: Solve for x
    x = 152,649,128,125.08/449,844.60
  6. Step 6: Final answer
    x = 339,337.47

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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.