Home / 641,510.82-961,985.97-304,648.02

Finding the Fourth Proportional to 641,510.82, 961,985.97 and 304,648.02

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Solution

The fourth proportional to 641,510.82, 961,985.97 and 304,648.02 is: 456,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,510.82 : 961,985.97 = 304,648.02 : x
  2. Step 2: Convert to fraction form
    641,510.82/961,985.97 = 304,648.02/x
  3. Step 3: Cross multiply
    641,510.82x = 961,985.97 × 304,648.02
  4. Step 4: Simplify right side
    641,510.82x = 293,067,121,028.28
  5. Step 5: Solve for x
    x = 293,067,121,028.28/641,510.82
  6. Step 6: Final answer
    x = 456,838.94

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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.