Home / 938,772.60-1,407,596.54-298,799.90

Finding the Fourth Proportional to 938,772.60, 1,407,596.54 and 298,799.90

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Solution

The fourth proportional to 938,772.60, 1,407,596.54 and 298,799.90 is: 448,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,772.60 : 1,407,596.54 = 298,799.90 : x
  2. Step 2: Convert to fraction form
    938,772.60/1,407,596.54 = 298,799.90/x
  3. Step 3: Cross multiply
    938,772.60x = 1,407,596.54 × 298,799.90
  4. Step 4: Simplify right side
    938,772.60x = 420,589,705,392.35
  5. Step 5: Solve for x
    x = 420,589,705,392.35/938,772.60
  6. Step 6: Final answer
    x = 448,020.86

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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.