Home / 902,327.76-1,245,158.64-494,348.40

Finding the Fourth Proportional to 902,327.76, 1,245,158.64 and 494,348.40

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Solution

The fourth proportional to 902,327.76, 1,245,158.64 and 494,348.40 is: 682,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,327.76 : 1,245,158.64 = 494,348.40 : x
  2. Step 2: Convert to fraction form
    902,327.76/1,245,158.64 = 494,348.40/x
  3. Step 3: Cross multiply
    902,327.76x = 1,245,158.64 × 494,348.40
  4. Step 4: Simplify right side
    902,327.76x = 615,542,181,430.18
  5. Step 5: Solve for x
    x = 615,542,181,430.18/902,327.76
  6. Step 6: Final answer
    x = 682,171.39

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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.