Home / 667,071.22-920,551.08-361,141.96

Finding the Fourth Proportional to 667,071.22, 920,551.08 and 361,141.96

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Solution

The fourth proportional to 667,071.22, 920,551.08 and 361,141.96 is: 498,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,071.22 : 920,551.08 = 361,141.96 : x
  2. Step 2: Convert to fraction form
    667,071.22/920,551.08 = 361,141.96/x
  3. Step 3: Cross multiply
    667,071.22x = 920,551.08 × 361,141.96
  4. Step 4: Simplify right side
    667,071.22x = 332,449,621,311.32
  5. Step 5: Solve for x
    x = 332,449,621,311.32/667,071.22
  6. Step 6: Final answer
    x = 498,372.00

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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.