Home / 870,334.56-1,304,452.08-449,380.80

Finding the Fourth Proportional to 870,334.56, 1,304,452.08 and 449,380.80

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Solution

The fourth proportional to 870,334.56, 1,304,452.08 and 449,380.80 is: 673,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,334.56 : 1,304,452.08 = 449,380.80 : x
  2. Step 2: Convert to fraction form
    870,334.56/1,304,452.08 = 449,380.80/x
  3. Step 3: Cross multiply
    870,334.56x = 1,304,452.08 × 449,380.80
  4. Step 4: Simplify right side
    870,334.56x = 586,195,719,272.06
  5. Step 5: Solve for x
    x = 586,195,719,272.06/870,334.56
  6. Step 6: Final answer
    x = 673,529.18

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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.