Home / 902,264.40-1,245,177.09-494,367.03

Finding the Fourth Proportional to 902,264.40, 1,245,177.09 and 494,367.03

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Solution

The fourth proportional to 902,264.40, 1,245,177.09 and 494,367.03 is: 682,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,264.40 : 1,245,177.09 = 494,367.03 : x
  2. Step 2: Convert to fraction form
    902,264.40/1,245,177.09 = 494,367.03/x
  3. Step 3: Cross multiply
    902,264.40x = 1,245,177.09 × 494,367.03
  4. Step 4: Simplify right side
    902,264.40x = 615,574,499,807.34
  5. Step 5: Solve for x
    x = 615,574,499,807.34/902,264.40
  6. Step 6: Final answer
    x = 682,255.11

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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.