Home / 464,745.02-641,546.61-393,497.42

Finding the Fourth Proportional to 464,745.02, 641,546.61 and 393,497.42

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Solution

The fourth proportional to 464,745.02, 641,546.61 and 393,497.42 is: 543,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,745.02 : 641,546.61 = 393,497.42 : x
  2. Step 2: Convert to fraction form
    464,745.02/641,546.61 = 393,497.42/x
  3. Step 3: Cross multiply
    464,745.02x = 641,546.61 × 393,497.42
  4. Step 4: Simplify right side
    464,745.02x = 252,446,935,844.75
  5. Step 5: Solve for x
    x = 252,446,935,844.75/464,745.02
  6. Step 6: Final answer
    x = 543,194.49

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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.