Home / 982,917.32-1,474,376.58-272,945.43

Finding the Fourth Proportional to 982,917.32, 1,474,376.58 and 272,945.43

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Solution

The fourth proportional to 982,917.32, 1,474,376.58 and 272,945.43 is: 409,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,917.32 : 1,474,376.58 = 272,945.43 : x
  2. Step 2: Convert to fraction form
    982,917.32/1,474,376.58 = 272,945.43/x
  3. Step 3: Cross multiply
    982,917.32x = 1,474,376.58 × 272,945.43
  4. Step 4: Simplify right side
    982,917.32x = 402,424,349,610.03
  5. Step 5: Solve for x
    x = 402,424,349,610.03/982,917.32
  6. Step 6: Final answer
    x = 409,418.31

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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.