Home / 987,133.44-1,481,312.56-454,730.16

Finding the Fourth Proportional to 987,133.44, 1,481,312.56 and 454,730.16

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Solution

The fourth proportional to 987,133.44, 1,481,312.56 and 454,730.16 is: 682,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,133.44 : 1,481,312.56 = 454,730.16 : x
  2. Step 2: Convert to fraction form
    987,133.44/1,481,312.56 = 454,730.16/x
  3. Step 3: Cross multiply
    987,133.44x = 1,481,312.56 × 454,730.16
  4. Step 4: Simplify right side
    987,133.44x = 673,597,497,418.81
  5. Step 5: Solve for x
    x = 673,597,497,418.81/987,133.44
  6. Step 6: Final answer
    x = 682,377.35

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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.