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Finding the Fourth Proportional to 521,102.44, 780,795.06 and 477,524.44

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Solution

The fourth proportional to 521,102.44, 780,795.06 and 477,524.44 is: 715,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,102.44 : 780,795.06 = 477,524.44 : x
  2. Step 2: Convert to fraction form
    521,102.44/780,795.06 = 477,524.44/x
  3. Step 3: Cross multiply
    521,102.44x = 780,795.06 × 477,524.44
  4. Step 4: Simplify right side
    521,102.44x = 372,848,723,781.27
  5. Step 5: Solve for x
    x = 372,848,723,781.27/521,102.44
  6. Step 6: Final answer
    x = 715,499.86

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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.