Home / 987,500.59-1,481,302.13-313,634.64

Finding the Fourth Proportional to 987,500.59, 1,481,302.13 and 313,634.64

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Solution

The fourth proportional to 987,500.59, 1,481,302.13 and 313,634.64 is: 470,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,500.59 : 1,481,302.13 = 313,634.64 : x
  2. Step 2: Convert to fraction form
    987,500.59/1,481,302.13 = 313,634.64/x
  3. Step 3: Cross multiply
    987,500.59x = 1,481,302.13 × 313,634.64
  4. Step 4: Simplify right side
    987,500.59x = 464,587,660,273.78
  5. Step 5: Solve for x
    x = 464,587,660,273.78/987,500.59
  6. Step 6: Final answer
    x = 470,468.24

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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.