Home / 481,318.92-719,053.16-311,455.44

Finding the Fourth Proportional to 481,318.92, 719,053.16 and 311,455.44

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Solution

The fourth proportional to 481,318.92, 719,053.16 and 311,455.44 is: 465,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,318.92 : 719,053.16 = 311,455.44 : x
  2. Step 2: Convert to fraction form
    481,318.92/719,053.16 = 311,455.44/x
  3. Step 3: Cross multiply
    481,318.92x = 719,053.16 × 311,455.44
  4. Step 4: Simplify right side
    481,318.92x = 223,953,016,773.91
  5. Step 5: Solve for x
    x = 223,953,016,773.91/481,318.92
  6. Step 6: Final answer
    x = 465,290.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.