Home / 958,990.32-1,438,486.16-327,908.88

Finding the Fourth Proportional to 958,990.32, 1,438,486.16 and 327,908.88

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Solution

The fourth proportional to 958,990.32, 1,438,486.16 and 327,908.88 is: 491,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,990.32 : 1,438,486.16 = 327,908.88 : x
  2. Step 2: Convert to fraction form
    958,990.32/1,438,486.16 = 327,908.88/x
  3. Step 3: Cross multiply
    958,990.32x = 1,438,486.16 × 327,908.88
  4. Step 4: Simplify right side
    958,990.32x = 471,692,385,621.10
  5. Step 5: Solve for x
    x = 471,692,385,621.10/958,990.32
  6. Step 6: Final answer
    x = 491,863.55

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1.5x scale

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.