Home / 902,444.18-1,245,374.43-494,481.20

Finding the Fourth Proportional to 902,444.18, 1,245,374.43 and 494,481.20

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Solution

The fourth proportional to 902,444.18, 1,245,374.43 and 494,481.20 is: 682,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,444.18 : 1,245,374.43 = 494,481.20 : x
  2. Step 2: Convert to fraction form
    902,444.18/1,245,374.43 = 494,481.20/x
  3. Step 3: Cross multiply
    902,444.18x = 1,245,374.43 × 494,481.20
  4. Step 4: Simplify right side
    902,444.18x = 615,814,242,595.72
  5. Step 5: Solve for x
    x = 615,814,242,595.72/902,444.18
  6. Step 6: Final answer
    x = 682,384.86

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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.