Home / 493,670.20-738,633.30-327,782.20

Finding the Fourth Proportional to 493,670.20, 738,633.30 and 327,782.20

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Solution

The fourth proportional to 493,670.20, 738,633.30 and 327,782.20 is: 490,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,670.20 : 738,633.30 = 327,782.20 : x
  2. Step 2: Convert to fraction form
    493,670.20/738,633.30 = 327,782.20/x
  3. Step 3: Cross multiply
    493,670.20x = 738,633.30 × 327,782.20
  4. Step 4: Simplify right side
    493,670.20x = 242,110,848,067.26
  5. Step 5: Solve for x
    x = 242,110,848,067.26/493,670.20
  6. Step 6: Final answer
    x = 490,430.35

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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.