Home / 741,439.82-1,023,188.28-401,908.88

Finding the Fourth Proportional to 741,439.82, 1,023,188.28 and 401,908.88

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Solution

The fourth proportional to 741,439.82, 1,023,188.28 and 401,908.88 is: 554,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,439.82 : 1,023,188.28 = 401,908.88 : x
  2. Step 2: Convert to fraction form
    741,439.82/1,023,188.28 = 401,908.88/x
  3. Step 3: Cross multiply
    741,439.82x = 1,023,188.28 × 401,908.88
  4. Step 4: Simplify right side
    741,439.82x = 411,228,455,643.93
  5. Step 5: Solve for x
    x = 411,228,455,643.93/741,439.82
  6. Step 6: Final answer
    x = 554,634.97

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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.