Home / 938,769.60-1,407,592.04-298,796.90

Finding the Fourth Proportional to 938,769.60, 1,407,592.04 and 298,796.90

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Solution

The fourth proportional to 938,769.60, 1,407,592.04 and 298,796.90 is: 448,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,769.60 : 1,407,592.04 = 298,796.90 : x
  2. Step 2: Convert to fraction form
    938,769.60/1,407,592.04 = 298,796.90/x
  3. Step 3: Cross multiply
    938,769.60x = 1,407,592.04 × 298,796.90
  4. Step 4: Simplify right side
    938,769.60x = 420,584,138,016.68
  5. Step 5: Solve for x
    x = 420,584,138,016.68/938,769.60
  6. Step 6: Final answer
    x = 448,016.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.