Home / 741,054.82-1,113,070.20-442,119.46

Finding the Fourth Proportional to 741,054.82, 1,113,070.20 and 442,119.46

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Solution

The fourth proportional to 741,054.82, 1,113,070.20 and 442,119.46 is: 664,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,054.82 : 1,113,070.20 = 442,119.46 : x
  2. Step 2: Convert to fraction form
    741,054.82/1,113,070.20 = 442,119.46/x
  3. Step 3: Cross multiply
    741,054.82x = 1,113,070.20 × 442,119.46
  4. Step 4: Simplify right side
    741,054.82x = 492,109,995,766.09
  5. Step 5: Solve for x
    x = 492,109,995,766.09/741,054.82
  6. Step 6: Final answer
    x = 664,066.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.