Home / 409,977.18-615,199.32-327,396.06

Finding the Fourth Proportional to 409,977.18, 615,199.32 and 327,396.06

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Solution

The fourth proportional to 409,977.18, 615,199.32 and 327,396.06 is: 491,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,977.18 : 615,199.32 = 327,396.06 : x
  2. Step 2: Convert to fraction form
    409,977.18/615,199.32 = 327,396.06/x
  3. Step 3: Cross multiply
    409,977.18x = 615,199.32 × 327,396.06
  4. Step 4: Simplify right side
    409,977.18x = 201,413,833,482.68
  5. Step 5: Solve for x
    x = 201,413,833,482.68/409,977.18
  6. Step 6: Final answer
    x = 491,280.60

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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.