Home / 987,467.31-1,480,236.96-482,007.87

Finding the Fourth Proportional to 987,467.31, 1,480,236.96 and 482,007.87

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Solution

The fourth proportional to 987,467.31, 1,480,236.96 and 482,007.87 is: 722,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,467.31 : 1,480,236.96 = 482,007.87 : x
  2. Step 2: Convert to fraction form
    987,467.31/1,480,236.96 = 482,007.87/x
  3. Step 3: Cross multiply
    987,467.31x = 1,480,236.96 × 482,007.87
  4. Step 4: Simplify right side
    987,467.31x = 713,485,864,184.88
  5. Step 5: Solve for x
    x = 713,485,864,184.88/987,467.31
  6. Step 6: Final answer
    x = 722,541.25

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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.