Home / 987,134.44-1,481,314.06-454,731.16

Finding the Fourth Proportional to 987,134.44, 1,481,314.06 and 454,731.16

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Solution

The fourth proportional to 987,134.44, 1,481,314.06 and 454,731.16 is: 682,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,134.44 : 1,481,314.06 = 454,731.16 : x
  2. Step 2: Convert to fraction form
    987,134.44/1,481,314.06 = 454,731.16/x
  3. Step 3: Cross multiply
    987,134.44x = 1,481,314.06 × 454,731.16
  4. Step 4: Simplify right side
    987,134.44x = 673,599,660,828.11
  5. Step 5: Solve for x
    x = 673,599,660,828.11/987,134.44
  6. Step 6: Final answer
    x = 682,378.85

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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.