Home / 870,003.47-1,304,583.29-510,291.86

Finding the Fourth Proportional to 870,003.47, 1,304,583.29 and 510,291.86

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Solution

The fourth proportional to 870,003.47, 1,304,583.29 and 510,291.86 is: 765,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,003.47 : 1,304,583.29 = 510,291.86 : x
  2. Step 2: Convert to fraction form
    870,003.47/1,304,583.29 = 510,291.86/x
  3. Step 3: Cross multiply
    870,003.47x = 1,304,583.29 × 510,291.86
  4. Step 4: Simplify right side
    870,003.47x = 665,718,231,310.43
  5. Step 5: Solve for x
    x = 665,718,231,310.43/870,003.47
  6. Step 6: Final answer
    x = 765,190.32

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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.