Home / 481,438.20-722,157.30-404,455.80

Finding the Fourth Proportional to 481,438.20, 722,157.30 and 404,455.80

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Solution

The fourth proportional to 481,438.20, 722,157.30 and 404,455.80 is: 606,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,438.20 : 722,157.30 = 404,455.80 : x
  2. Step 2: Convert to fraction form
    481,438.20/722,157.30 = 404,455.80/x
  3. Step 3: Cross multiply
    481,438.20x = 722,157.30 × 404,455.80
  4. Step 4: Simplify right side
    481,438.20x = 292,080,708,497.34
  5. Step 5: Solve for x
    x = 292,080,708,497.34/481,438.20
  6. Step 6: Final answer
    x = 606,683.70

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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.