Home / 808,634.63-1,212,823.28-268,846.12

Finding the Fourth Proportional to 808,634.63, 1,212,823.28 and 268,846.12

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Solution

The fourth proportional to 808,634.63, 1,212,823.28 and 268,846.12 is: 403,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,634.63 : 1,212,823.28 = 268,846.12 : x
  2. Step 2: Convert to fraction form
    808,634.63/1,212,823.28 = 268,846.12/x
  3. Step 3: Cross multiply
    808,634.63x = 1,212,823.28 × 268,846.12
  4. Step 4: Simplify right side
    808,634.63x = 326,062,835,261.82
  5. Step 5: Solve for x
    x = 326,062,835,261.82/808,634.63
  6. Step 6: Final answer
    x = 403,226.41

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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.