Home / 455,376.30-628,977.28-341,165.70

Finding the Fourth Proportional to 455,376.30, 628,977.28 and 341,165.70

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Solution

The fourth proportional to 455,376.30, 628,977.28 and 341,165.70 is: 471,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,376.30 : 628,977.28 = 341,165.70 : x
  2. Step 2: Convert to fraction form
    455,376.30/628,977.28 = 341,165.70/x
  3. Step 3: Cross multiply
    455,376.30x = 628,977.28 × 341,165.70
  4. Step 4: Simplify right side
    455,376.30x = 214,585,474,015.30
  5. Step 5: Solve for x
    x = 214,585,474,015.30/455,376.30
  6. Step 6: Final answer
    x = 471,226.71

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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.