Home / 548,478.18-822,820.26-248,979.78

Finding the Fourth Proportional to 548,478.18, 822,820.26 and 248,979.78

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Solution

The fourth proportional to 548,478.18, 822,820.26 and 248,979.78 is: 373,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,478.18 : 822,820.26 = 248,979.78 : x
  2. Step 2: Convert to fraction form
    548,478.18/822,820.26 = 248,979.78/x
  3. Step 3: Cross multiply
    548,478.18x = 822,820.26 × 248,979.78
  4. Step 4: Simplify right side
    548,478.18x = 204,865,607,314.34
  5. Step 5: Solve for x
    x = 204,865,607,314.34/548,478.18
  6. Step 6: Final answer
    x = 373,516.42

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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.