Home / 715,942.80-1,073,744.64-266,874.48

Finding the Fourth Proportional to 715,942.80, 1,073,744.64 and 266,874.48

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Solution

The fourth proportional to 715,942.80, 1,073,744.64 and 266,874.48 is: 400,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,942.80 : 1,073,744.64 = 266,874.48 : x
  2. Step 2: Convert to fraction form
    715,942.80/1,073,744.64 = 266,874.48/x
  3. Step 3: Cross multiply
    715,942.80x = 1,073,744.64 × 266,874.48
  4. Step 4: Simplify right side
    715,942.80x = 286,555,042,452.79
  5. Step 5: Solve for x
    x = 286,555,042,452.79/715,942.80
  6. Step 6: Final answer
    x = 400,248.51

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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.