Home / 902,191.56-1,245,024.32-494,308.88

Finding the Fourth Proportional to 902,191.56, 1,245,024.32 and 494,308.88

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Solution

The fourth proportional to 902,191.56, 1,245,024.32 and 494,308.88 is: 682,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,191.56 : 1,245,024.32 = 494,308.88 : x
  2. Step 2: Convert to fraction form
    902,191.56/1,245,024.32 = 494,308.88/x
  3. Step 3: Cross multiply
    902,191.56x = 1,245,024.32 × 494,308.88
  4. Step 4: Simplify right side
    902,191.56x = 615,426,570,966.84
  5. Step 5: Solve for x
    x = 615,426,570,966.84/902,191.56
  6. Step 6: Final answer
    x = 682,146.23

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1.5x scale

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.