Home / 694,884.96-1,040,969.94-478,705.54

Finding the Fourth Proportional to 694,884.96, 1,040,969.94 and 478,705.54

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Solution

The fourth proportional to 694,884.96, 1,040,969.94 and 478,705.54 is: 717,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,884.96 : 1,040,969.94 = 478,705.54 : x
  2. Step 2: Convert to fraction form
    694,884.96/1,040,969.94 = 478,705.54/x
  3. Step 3: Cross multiply
    694,884.96x = 1,040,969.94 × 478,705.54
  4. Step 4: Simplify right side
    694,884.96x = 498,318,077,251.47
  5. Step 5: Solve for x
    x = 498,318,077,251.47/694,884.96
  6. Step 6: Final answer
    x = 717,123.13

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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.