Home / 752,999.76-1,129,638.96-247,588.56

Finding the Fourth Proportional to 752,999.76, 1,129,638.96 and 247,588.56

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Solution

The fourth proportional to 752,999.76, 1,129,638.96 and 247,588.56 is: 371,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,999.76 : 1,129,638.96 = 247,588.56 : x
  2. Step 2: Convert to fraction form
    752,999.76/1,129,638.96 = 247,588.56/x
  3. Step 3: Cross multiply
    752,999.76x = 1,129,638.96 × 247,588.56
  4. Step 4: Simplify right side
    752,999.76x = 279,685,683,426.30
  5. Step 5: Solve for x
    x = 279,685,683,426.30/752,999.76
  6. Step 6: Final answer
    x = 371,428.65

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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.