Home / 852,183.64-1,278,056.76-253,005.78

Finding the Fourth Proportional to 852,183.64, 1,278,056.76 and 253,005.78

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Solution

The fourth proportional to 852,183.64, 1,278,056.76 and 253,005.78 is: 379,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,183.64 : 1,278,056.76 = 253,005.78 : x
  2. Step 2: Convert to fraction form
    852,183.64/1,278,056.76 = 253,005.78/x
  3. Step 3: Cross multiply
    852,183.64x = 1,278,056.76 × 253,005.78
  4. Step 4: Simplify right side
    852,183.64x = 323,355,747,448.07
  5. Step 5: Solve for x
    x = 323,355,747,448.07/852,183.64
  6. Step 6: Final answer
    x = 379,443.74

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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.