Home / 870,003.34-1,304,583.10-510,291.74

Finding the Fourth Proportional to 870,003.34, 1,304,583.10 and 510,291.74

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Solution

The fourth proportional to 870,003.34, 1,304,583.10 and 510,291.74 is: 765,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,003.34 : 1,304,583.10 = 510,291.74 : x
  2. Step 2: Convert to fraction form
    870,003.34/1,304,583.10 = 510,291.74/x
  3. Step 3: Cross multiply
    870,003.34x = 1,304,583.10 × 510,291.74
  4. Step 4: Simplify right side
    870,003.34x = 665,717,973,550.68
  5. Step 5: Solve for x
    x = 665,717,973,550.68/870,003.34
  6. Step 6: Final answer
    x = 765,190.14

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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.