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Finding the Fourth Proportional to 896,767.20, 1,345,150.80 and 335,728.80

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Solution

The fourth proportional to 896,767.20, 1,345,150.80 and 335,728.80 is: 503,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,767.20 : 1,345,150.80 = 335,728.80 : x
  2. Step 2: Convert to fraction form
    896,767.20/1,345,150.80 = 335,728.80/x
  3. Step 3: Cross multiply
    896,767.20x = 1,345,150.80 × 335,728.80
  4. Step 4: Simplify right side
    896,767.20x = 451,605,863,903.04
  5. Step 5: Solve for x
    x = 451,605,863,903.04/896,767.20
  6. Step 6: Final answer
    x = 503,593.20

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Similar ratio
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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.