Home / 808,748.90-1,212,852.24-268,880.66

Finding the Fourth Proportional to 808,748.90, 1,212,852.24 and 268,880.66

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Solution

The fourth proportional to 808,748.90, 1,212,852.24 and 268,880.66 is: 403,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,748.90 : 1,212,852.24 = 268,880.66 : x
  2. Step 2: Convert to fraction form
    808,748.90/1,212,852.24 = 268,880.66/x
  3. Step 3: Cross multiply
    808,748.90x = 1,212,852.24 × 268,880.66
  4. Step 4: Simplify right side
    808,748.90x = 326,112,510,773.68
  5. Step 5: Solve for x
    x = 326,112,510,773.68/808,748.90
  6. Step 6: Final answer
    x = 403,230.86

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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.