Home / 548,942.44-822,991.53-278,848.63

Finding the Fourth Proportional to 548,942.44, 822,991.53 and 278,848.63

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Solution

The fourth proportional to 548,942.44, 822,991.53 and 278,848.63 is: 418,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,942.44 : 822,991.53 = 278,848.63 : x
  2. Step 2: Convert to fraction form
    548,942.44/822,991.53 = 278,848.63/x
  3. Step 3: Cross multiply
    548,942.44x = 822,991.53 × 278,848.63
  4. Step 4: Simplify right side
    548,942.44x = 229,490,060,642.10
  5. Step 5: Solve for x
    x = 229,490,060,642.10/548,942.44
  6. Step 6: Final answer
    x = 418,058.51

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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.