Home / 902,327.81-1,245,212.69-494,426.34

Finding the Fourth Proportional to 902,327.81, 1,245,212.69 and 494,426.34

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Solution

The fourth proportional to 902,327.81, 1,245,212.69 and 494,426.34 is: 682,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,327.81 : 1,245,212.69 = 494,426.34 : x
  2. Step 2: Convert to fraction form
    902,327.81/1,245,212.69 = 494,426.34/x
  3. Step 3: Cross multiply
    902,327.81x = 1,245,212.69 × 494,426.34
  4. Step 4: Simplify right side
    902,327.81x = 615,665,950,366.12
  5. Step 5: Solve for x
    x = 615,665,950,366.12/902,327.81
  6. Step 6: Final answer
    x = 682,308.52

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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.