Home / 788,063.73-1,181,977.88-219,385.41

Finding the Fourth Proportional to 788,063.73, 1,181,977.88 and 219,385.41

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Solution

The fourth proportional to 788,063.73, 1,181,977.88 and 219,385.41 is: 329,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,063.73 : 1,181,977.88 = 219,385.41 : x
  2. Step 2: Convert to fraction form
    788,063.73/1,181,977.88 = 219,385.41/x
  3. Step 3: Cross multiply
    788,063.73x = 1,181,977.88 × 219,385.41
  4. Step 4: Simplify right side
    788,063.73x = 259,308,700,717.80
  5. Step 5: Solve for x
    x = 259,308,700,717.80/788,063.73
  6. Step 6: Final answer
    x = 329,045.34

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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.