Home / 883,945.40-1,326,110.10-322,979

Finding the Fourth Proportional to 883,945.40, 1,326,110.10 and 322,979

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Solution

The fourth proportional to 883,945.40, 1,326,110.10 and 322,979 is: 484,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,945.40 : 1,326,110.10 = 322,979 : x
  2. Step 2: Convert to fraction form
    883,945.40/1,326,110.10 = 322,979/x
  3. Step 3: Cross multiply
    883,945.40x = 1,326,110.10 × 322,979
  4. Step 4: Simplify right side
    883,945.40x = 428,305,713,987.90
  5. Step 5: Solve for x
    x = 428,305,713,987.90/883,945.40
  6. Step 6: Final answer
    x = 484,538.65

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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.