Home / 839,929.25-1,260,072.48-271,342.97

Finding the Fourth Proportional to 839,929.25, 1,260,072.48 and 271,342.97

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Solution

The fourth proportional to 839,929.25, 1,260,072.48 and 271,342.97 is: 407,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,929.25 : 1,260,072.48 = 271,342.97 : x
  2. Step 2: Convert to fraction form
    839,929.25/1,260,072.48 = 271,342.97/x
  3. Step 3: Cross multiply
    839,929.25x = 1,260,072.48 × 271,342.97
  4. Step 4: Simplify right side
    839,929.25x = 341,911,802,838.10
  5. Step 5: Solve for x
    x = 341,911,802,838.10/839,929.25
  6. Step 6: Final answer
    x = 407,072.15

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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.