Home / 870,003.65-1,304,583.57-510,292.05

Finding the Fourth Proportional to 870,003.65, 1,304,583.57 and 510,292.05

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Solution

The fourth proportional to 870,003.65, 1,304,583.57 and 510,292.05 is: 765,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,003.65 : 1,304,583.57 = 510,292.05 : x
  2. Step 2: Convert to fraction form
    870,003.65/1,304,583.57 = 510,292.05/x
  3. Step 3: Cross multiply
    870,003.65x = 1,304,583.57 × 510,292.05
  4. Step 4: Simplify right side
    870,003.65x = 665,718,619,439.43
  5. Step 5: Solve for x
    x = 665,718,619,439.43/870,003.65
  6. Step 6: Final answer
    x = 765,190.60

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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.