Home / 482,787.82-666,093.06-278,811.80

Finding the Fourth Proportional to 482,787.82, 666,093.06 and 278,811.80

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Solution

The fourth proportional to 482,787.82, 666,093.06 and 278,811.80 is: 384,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,787.82 : 666,093.06 = 278,811.80 : x
  2. Step 2: Convert to fraction form
    482,787.82/666,093.06 = 278,811.80/x
  3. Step 3: Cross multiply
    482,787.82x = 666,093.06 × 278,811.80
  4. Step 4: Simplify right side
    482,787.82x = 185,714,605,026.11
  5. Step 5: Solve for x
    x = 185,714,605,026.11/482,787.82
  6. Step 6: Final answer
    x = 384,671.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.