Home / 752,152.23-1,127,167.65-415,344.51

Finding the Fourth Proportional to 752,152.23, 1,127,167.65 and 415,344.51

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Solution

The fourth proportional to 752,152.23, 1,127,167.65 and 415,344.51 is: 622,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,152.23 : 1,127,167.65 = 415,344.51 : x
  2. Step 2: Convert to fraction form
    752,152.23/1,127,167.65 = 415,344.51/x
  3. Step 3: Cross multiply
    752,152.23x = 1,127,167.65 × 415,344.51
  4. Step 4: Simplify right side
    752,152.23x = 468,162,895,277.10
  5. Step 5: Solve for x
    x = 468,162,895,277.10/752,152.23
  6. Step 6: Final answer
    x = 622,431.04

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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.