Home / 987,151.51-1,480,540.00-481,203.64

Finding the Fourth Proportional to 987,151.51, 1,480,540.00 and 481,203.64

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Solution

The fourth proportional to 987,151.51, 1,480,540.00 and 481,203.64 is: 721,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,151.51 : 1,480,540.00 = 481,203.64 : x
  2. Step 2: Convert to fraction form
    987,151.51/1,480,540.00 = 481,203.64/x
  3. Step 3: Cross multiply
    987,151.51x = 1,480,540.00 × 481,203.64
  4. Step 4: Simplify right side
    987,151.51x = 712,441,229,034.10
  5. Step 5: Solve for x
    x = 712,441,229,034.10/987,151.51
  6. Step 6: Final answer
    x = 721,714.17

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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.