Home / 755,769.40-1,132,983.42-306,822.04

Finding the Fourth Proportional to 755,769.40, 1,132,983.42 and 306,822.04

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Solution

The fourth proportional to 755,769.40, 1,132,983.42 and 306,822.04 is: 459,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,769.40 : 1,132,983.42 = 306,822.04 : x
  2. Step 2: Convert to fraction form
    755,769.40/1,132,983.42 = 306,822.04/x
  3. Step 3: Cross multiply
    755,769.40x = 1,132,983.42 × 306,822.04
  4. Step 4: Simplify right side
    755,769.40x = 347,624,284,210.58
  5. Step 5: Solve for x
    x = 347,624,284,210.58/755,769.40
  6. Step 6: Final answer
    x = 459,960.78

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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.