Home / 496,919.80-744,942.30-297,319.60

Finding the Fourth Proportional to 496,919.80, 744,942.30 and 297,319.60

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Solution

The fourth proportional to 496,919.80, 744,942.30 and 297,319.60 is: 445,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,919.80 : 744,942.30 = 297,319.60 : x
  2. Step 2: Convert to fraction form
    496,919.80/744,942.30 = 297,319.60/x
  3. Step 3: Cross multiply
    496,919.80x = 744,942.30 × 297,319.60
  4. Step 4: Simplify right side
    496,919.80x = 221,485,946,659.08
  5. Step 5: Solve for x
    x = 221,485,946,659.08/496,919.80
  6. Step 6: Final answer
    x = 445,717.69

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1.5x scale

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.