Home / 860,625.92-1,290,049.50-328,003.94

Finding the Fourth Proportional to 860,625.92, 1,290,049.50 and 328,003.94

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Solution

The fourth proportional to 860,625.92, 1,290,049.50 and 328,003.94 is: 491,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,625.92 : 1,290,049.50 = 328,003.94 : x
  2. Step 2: Convert to fraction form
    860,625.92/1,290,049.50 = 328,003.94/x
  3. Step 3: Cross multiply
    860,625.92x = 1,290,049.50 × 328,003.94
  4. Step 4: Simplify right side
    860,625.92x = 423,141,318,795.03
  5. Step 5: Solve for x
    x = 423,141,318,795.03/860,625.92
  6. Step 6: Final answer
    x = 491,666.95

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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.