Home / 442,764.72-611,062.44-270,783.30

Finding the Fourth Proportional to 442,764.72, 611,062.44 and 270,783.30

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Solution

The fourth proportional to 442,764.72, 611,062.44 and 270,783.30 is: 373,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,764.72 : 611,062.44 = 270,783.30 : x
  2. Step 2: Convert to fraction form
    442,764.72/611,062.44 = 270,783.30/x
  3. Step 3: Cross multiply
    442,764.72x = 611,062.44 × 270,783.30
  4. Step 4: Simplify right side
    442,764.72x = 165,465,504,009.25
  5. Step 5: Solve for x
    x = 165,465,504,009.25/442,764.72
  6. Step 6: Final answer
    x = 373,709.78

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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.