Home / 656,870.85-984,847.82-336,400.02

Finding the Fourth Proportional to 656,870.85, 984,847.82 and 336,400.02

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Solution

The fourth proportional to 656,870.85, 984,847.82 and 336,400.02 is: 504,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,870.85 : 984,847.82 = 336,400.02 : x
  2. Step 2: Convert to fraction form
    656,870.85/984,847.82 = 336,400.02/x
  3. Step 3: Cross multiply
    656,870.85x = 984,847.82 × 336,400.02
  4. Step 4: Simplify right side
    656,870.85x = 331,302,824,662.96
  5. Step 5: Solve for x
    x = 331,302,824,662.96/656,870.85
  6. Step 6: Final answer
    x = 504,365.24

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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.