Home / 548,913.76-824,126.24-279,224.48

Finding the Fourth Proportional to 548,913.76, 824,126.24 and 279,224.48

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Solution

The fourth proportional to 548,913.76, 824,126.24 and 279,224.48 is: 419,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,913.76 : 824,126.24 = 279,224.48 : x
  2. Step 2: Convert to fraction form
    548,913.76/824,126.24 = 279,224.48/x
  3. Step 3: Cross multiply
    548,913.76x = 824,126.24 × 279,224.48
  4. Step 4: Simplify right side
    548,913.76x = 230,116,220,818.36
  5. Step 5: Solve for x
    x = 230,116,220,818.36/548,913.76
  6. Step 6: Final answer
    x = 419,221.08

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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.