Home / 808,398.27-1,212,721.97-275,795.15

Finding the Fourth Proportional to 808,398.27, 1,212,721.97 and 275,795.15

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Solution

The fourth proportional to 808,398.27, 1,212,721.97 and 275,795.15 is: 413,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,398.27 : 1,212,721.97 = 275,795.15 : x
  2. Step 2: Convert to fraction form
    808,398.27/1,212,721.97 = 275,795.15/x
  3. Step 3: Cross multiply
    808,398.27x = 1,212,721.97 × 275,795.15
  4. Step 4: Simplify right side
    808,398.27x = 334,462,830,181.86
  5. Step 5: Solve for x
    x = 334,462,830,181.86/808,398.27
  6. Step 6: Final answer
    x = 413,735.21

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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.