Home / 870,955.38-1,305,713.79-384,291.03

Finding the Fourth Proportional to 870,955.38, 1,305,713.79 and 384,291.03

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Solution

The fourth proportional to 870,955.38, 1,305,713.79 and 384,291.03 is: 576,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,955.38 : 1,305,713.79 = 384,291.03 : x
  2. Step 2: Convert to fraction form
    870,955.38/1,305,713.79 = 384,291.03/x
  3. Step 3: Cross multiply
    870,955.38x = 1,305,713.79 × 384,291.03
  4. Step 4: Simplify right side
    870,955.38x = 501,774,097,244.30
  5. Step 5: Solve for x
    x = 501,774,097,244.30/870,955.38
  6. Step 6: Final answer
    x = 576,119.18

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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.