Home / 718,864.44-1,078,112.08-213,305.88

Finding the Fourth Proportional to 718,864.44, 1,078,112.08 and 213,305.88

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Solution

The fourth proportional to 718,864.44, 1,078,112.08 and 213,305.88 is: 319,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,864.44 : 1,078,112.08 = 213,305.88 : x
  2. Step 2: Convert to fraction form
    718,864.44/1,078,112.08 = 213,305.88/x
  3. Step 3: Cross multiply
    718,864.44x = 1,078,112.08 × 213,305.88
  4. Step 4: Simplify right side
    718,864.44x = 229,967,645,963.03
  5. Step 5: Solve for x
    x = 229,967,645,963.03/718,864.44
  6. Step 6: Final answer
    x = 319,904.05

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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.