Home / 658,324.08-987,385.28-208,986.30

Finding the Fourth Proportional to 658,324.08, 987,385.28 and 208,986.30

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Solution

The fourth proportional to 658,324.08, 987,385.28 and 208,986.30 is: 313,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,324.08 : 987,385.28 = 208,986.30 : x
  2. Step 2: Convert to fraction form
    658,324.08/987,385.28 = 208,986.30/x
  3. Step 3: Cross multiply
    658,324.08x = 987,385.28 × 208,986.30
  4. Step 4: Simplify right side
    658,324.08x = 206,349,995,296.73
  5. Step 5: Solve for x
    x = 206,349,995,296.73/658,324.08
  6. Step 6: Final answer
    x = 313,447.44

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1.5x scale

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.