Home / 500,621.34-750,629.18-196,651.58

Finding the Fourth Proportional to 500,621.34, 750,629.18 and 196,651.58

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Solution

The fourth proportional to 500,621.34, 750,629.18 and 196,651.58 is: 294,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,621.34 : 750,629.18 = 196,651.58 : x
  2. Step 2: Convert to fraction form
    500,621.34/750,629.18 = 196,651.58/x
  3. Step 3: Cross multiply
    500,621.34x = 750,629.18 × 196,651.58
  4. Step 4: Simplify right side
    500,621.34x = 147,612,414,241.10
  5. Step 5: Solve for x
    x = 147,612,414,241.10/500,621.34
  6. Step 6: Final answer
    x = 294,858.41

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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.