Home / 902,187.84-1,245,019.20-494,305.13

Finding the Fourth Proportional to 902,187.84, 1,245,019.20 and 494,305.13

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Solution

The fourth proportional to 902,187.84, 1,245,019.20 and 494,305.13 is: 682,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,187.84 : 1,245,019.20 = 494,305.13 : x
  2. Step 2: Convert to fraction form
    902,187.84/1,245,019.20 = 494,305.13/x
  3. Step 3: Cross multiply
    902,187.84x = 1,245,019.20 × 494,305.13
  4. Step 4: Simplify right side
    902,187.84x = 615,419,377,508.50
  5. Step 5: Solve for x
    x = 615,419,377,508.50/902,187.84
  6. Step 6: Final answer
    x = 682,141.07

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Double scale
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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.