Home / 811,001.82-1,216,374.90-271,254

Finding the Fourth Proportional to 811,001.82, 1,216,374.90 and 271,254

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Solution

The fourth proportional to 811,001.82, 1,216,374.90 and 271,254 is: 406,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,001.82 : 1,216,374.90 = 271,254 : x
  2. Step 2: Convert to fraction form
    811,001.82/1,216,374.90 = 271,254/x
  3. Step 3: Cross multiply
    811,001.82x = 1,216,374.90 × 271,254
  4. Step 4: Simplify right side
    811,001.82x = 329,946,557,124.60
  5. Step 5: Solve for x
    x = 329,946,557,124.60/811,001.82
  6. Step 6: Final answer
    x = 406,838.24

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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.