Home / 987,499.97-1,481,301.18-313,634.01

Finding the Fourth Proportional to 987,499.97, 1,481,301.18 and 313,634.01

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Solution

The fourth proportional to 987,499.97, 1,481,301.18 and 313,634.01 is: 470,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,499.97 : 1,481,301.18 = 313,634.01 : x
  2. Step 2: Convert to fraction form
    987,499.97/1,481,301.18 = 313,634.01/x
  3. Step 3: Cross multiply
    987,499.97x = 1,481,301.18 × 313,634.01
  4. Step 4: Simplify right side
    987,499.97x = 464,586,429,101.13
  5. Step 5: Solve for x
    x = 464,586,429,101.13/987,499.97
  6. Step 6: Final answer
    x = 470,467.29

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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.