Home / 548,440.04-756,824.83-319,003.90

Finding the Fourth Proportional to 548,440.04, 756,824.83 and 319,003.90

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Solution

The fourth proportional to 548,440.04, 756,824.83 and 319,003.90 is: 440,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,440.04 : 756,824.83 = 319,003.90 : x
  2. Step 2: Convert to fraction form
    548,440.04/756,824.83 = 319,003.90/x
  3. Step 3: Cross multiply
    548,440.04x = 756,824.83 × 319,003.90
  4. Step 4: Simplify right side
    548,440.04x = 241,430,069,697.27
  5. Step 5: Solve for x
    x = 241,430,069,697.27/548,440.04
  6. Step 6: Final answer
    x = 440,212.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.