Home / 752,842.52-1,129,091.50-449,322.38

Finding the Fourth Proportional to 752,842.52, 1,129,091.50 and 449,322.38

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Solution

The fourth proportional to 752,842.52, 1,129,091.50 and 449,322.38 is: 673,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,842.52 : 1,129,091.50 = 449,322.38 : x
  2. Step 2: Convert to fraction form
    752,842.52/1,129,091.50 = 449,322.38/x
  3. Step 3: Cross multiply
    752,842.52x = 1,129,091.50 × 449,322.38
  4. Step 4: Simplify right side
    752,842.52x = 507,326,080,017.77
  5. Step 5: Solve for x
    x = 507,326,080,017.77/752,842.52
  6. Step 6: Final answer
    x = 673,880.75

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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.