Home / 905,560.80-1,357,477.20-336,789.60

Finding the Fourth Proportional to 905,560.80, 1,357,477.20 and 336,789.60

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Solution

The fourth proportional to 905,560.80, 1,357,477.20 and 336,789.60 is: 504,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,560.80 : 1,357,477.20 = 336,789.60 : x
  2. Step 2: Convert to fraction form
    905,560.80/1,357,477.20 = 336,789.60/x
  3. Step 3: Cross multiply
    905,560.80x = 1,357,477.20 × 336,789.60
  4. Step 4: Simplify right side
    905,560.80x = 457,184,203,197.12
  5. Step 5: Solve for x
    x = 457,184,203,197.12/905,560.80
  6. Step 6: Final answer
    x = 504,863.07

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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.