Home / 926,410.25-1,389,727.46-327,248.80

Finding the Fourth Proportional to 926,410.25, 1,389,727.46 and 327,248.80

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Solution

The fourth proportional to 926,410.25, 1,389,727.46 and 327,248.80 is: 490,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,410.25 : 1,389,727.46 = 327,248.80 : x
  2. Step 2: Convert to fraction form
    926,410.25/1,389,727.46 = 327,248.80/x
  3. Step 3: Cross multiply
    926,410.25x = 1,389,727.46 × 327,248.80
  4. Step 4: Simplify right side
    926,410.25x = 454,786,643,612.05
  5. Step 5: Solve for x
    x = 454,786,643,612.05/926,410.25
  6. Step 6: Final answer
    x = 490,912.79

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Double scale
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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.