Home / 481,219.83-664,083.96-299,931.60

Finding the Fourth Proportional to 481,219.83, 664,083.96 and 299,931.60

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Solution

The fourth proportional to 481,219.83, 664,083.96 and 299,931.60 is: 413,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,219.83 : 664,083.96 = 299,931.60 : x
  2. Step 2: Convert to fraction form
    481,219.83/664,083.96 = 299,931.60/x
  3. Step 3: Cross multiply
    481,219.83x = 664,083.96 × 299,931.60
  4. Step 4: Simplify right side
    481,219.83x = 199,179,764,657.14
  5. Step 5: Solve for x
    x = 199,179,764,657.14/481,219.83
  6. Step 6: Final answer
    x = 413,905.98

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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.