Home / 548,942.64-757,449.36-322,631.76

Finding the Fourth Proportional to 548,942.64, 757,449.36 and 322,631.76

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Solution

The fourth proportional to 548,942.64, 757,449.36 and 322,631.76 is: 445,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,942.64 : 757,449.36 = 322,631.76 : x
  2. Step 2: Convert to fraction form
    548,942.64/757,449.36 = 322,631.76/x
  3. Step 3: Cross multiply
    548,942.64x = 757,449.36 × 322,631.76
  4. Step 4: Simplify right side
    548,942.64x = 244,377,220,127.67
  5. Step 5: Solve for x
    x = 244,377,220,127.67/548,942.64
  6. Step 6: Final answer
    x = 445,178.06

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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.