Home / 445,799.53-615,442.03-343,601.02

Finding the Fourth Proportional to 445,799.53, 615,442.03 and 343,601.02

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Solution

The fourth proportional to 445,799.53, 615,442.03 and 343,601.02 is: 474,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,799.53 : 615,442.03 = 343,601.02 : x
  2. Step 2: Convert to fraction form
    445,799.53/615,442.03 = 343,601.02/x
  3. Step 3: Cross multiply
    445,799.53x = 615,442.03 × 343,601.02
  4. Step 4: Simplify right side
    445,799.53x = 211,466,511,611.63
  5. Step 5: Solve for x
    x = 211,466,511,611.63/445,799.53
  6. Step 6: Final answer
    x = 474,353.37

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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.