Home / 442,917.56-663,758.69-334,758.12

Finding the Fourth Proportional to 442,917.56, 663,758.69 and 334,758.12

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Solution

The fourth proportional to 442,917.56, 663,758.69 and 334,758.12 is: 501,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,917.56 : 663,758.69 = 334,758.12 : x
  2. Step 2: Convert to fraction form
    442,917.56/663,758.69 = 334,758.12/x
  3. Step 3: Cross multiply
    442,917.56x = 663,758.69 × 334,758.12
  4. Step 4: Simplify right side
    442,917.56x = 222,198,609,524.27
  5. Step 5: Solve for x
    x = 222,198,609,524.27/442,917.56
  6. Step 6: Final answer
    x = 501,670.36

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1.5x scale

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.