Home / 640,110.31-960,308.45-240,754.54

Finding the Fourth Proportional to 640,110.31, 960,308.45 and 240,754.54

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Solution

The fourth proportional to 640,110.31, 960,308.45 and 240,754.54 is: 361,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,110.31 : 960,308.45 = 240,754.54 : x
  2. Step 2: Convert to fraction form
    640,110.31/960,308.45 = 240,754.54/x
  3. Step 3: Cross multiply
    640,110.31x = 960,308.45 × 240,754.54
  4. Step 4: Simplify right side
    640,110.31x = 231,198,619,137.86
  5. Step 5: Solve for x
    x = 231,198,619,137.86/640,110.31
  6. Step 6: Final answer
    x = 361,185.59

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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.