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Finding the Fourth Proportional to 700,750.92, 1,047,286.30 and 511,609.64

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Solution

The fourth proportional to 700,750.92, 1,047,286.30 and 511,609.64 is: 764,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,750.92 : 1,047,286.30 = 511,609.64 : x
  2. Step 2: Convert to fraction form
    700,750.92/1,047,286.30 = 511,609.64/x
  3. Step 3: Cross multiply
    700,750.92x = 1,047,286.30 × 511,609.64
  4. Step 4: Simplify right side
    700,750.92x = 535,801,766,919.93
  5. Step 5: Solve for x
    x = 535,801,766,919.93/700,750.92
  6. Step 6: Final answer
    x = 764,610.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.