Home / 987,464.32-1,480,232.48-482,004.88

Finding the Fourth Proportional to 987,464.32, 1,480,232.48 and 482,004.88

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Solution

The fourth proportional to 987,464.32, 1,480,232.48 and 482,004.88 is: 722,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,464.32 : 1,480,232.48 = 482,004.88 : x
  2. Step 2: Convert to fraction form
    987,464.32/1,480,232.48 = 482,004.88/x
  3. Step 3: Cross multiply
    987,464.32x = 1,480,232.48 × 482,004.88
  4. Step 4: Simplify right side
    987,464.32x = 713,479,272,783.90
  5. Step 5: Solve for x
    x = 713,479,272,783.90/987,464.32
  6. Step 6: Final answer
    x = 722,536.76

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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.