Home / 852,180.95-1,278,052.73-253,003.10

Finding the Fourth Proportional to 852,180.95, 1,278,052.73 and 253,003.10

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Solution

The fourth proportional to 852,180.95, 1,278,052.73 and 253,003.10 is: 379,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,180.95 : 1,278,052.73 = 253,003.10 : x
  2. Step 2: Convert to fraction form
    852,180.95/1,278,052.73 = 253,003.10/x
  3. Step 3: Cross multiply
    852,180.95x = 1,278,052.73 × 253,003.10
  4. Step 4: Simplify right side
    852,180.95x = 323,351,295,946.95
  5. Step 5: Solve for x
    x = 323,351,295,946.95/852,180.95
  6. Step 6: Final answer
    x = 379,439.71

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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.