Home / 852,326.50-1,278,492.18-221,245.78

Finding the Fourth Proportional to 852,326.50, 1,278,492.18 and 221,245.78

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Solution

The fourth proportional to 852,326.50, 1,278,492.18 and 221,245.78 is: 331,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,326.50 : 1,278,492.18 = 221,245.78 : x
  2. Step 2: Convert to fraction form
    852,326.50/1,278,492.18 = 221,245.78/x
  3. Step 3: Cross multiply
    852,326.50x = 1,278,492.18 × 221,245.78
  4. Step 4: Simplify right side
    852,326.50x = 282,860,999,588.00
  5. Step 5: Solve for x
    x = 282,860,999,588.00/852,326.50
  6. Step 6: Final answer
    x = 331,869.30

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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.