Home / 757,278.24-1,045,046.94-413,121.51

Finding the Fourth Proportional to 757,278.24, 1,045,046.94 and 413,121.51

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Solution

The fourth proportional to 757,278.24, 1,045,046.94 and 413,121.51 is: 570,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,278.24 : 1,045,046.94 = 413,121.51 : x
  2. Step 2: Convert to fraction form
    757,278.24/1,045,046.94 = 413,121.51/x
  3. Step 3: Cross multiply
    757,278.24x = 1,045,046.94 × 413,121.51
  4. Step 4: Simplify right side
    757,278.24x = 431,731,369,873.68
  5. Step 5: Solve for x
    x = 431,731,369,873.68/757,278.24
  6. Step 6: Final answer
    x = 570,109.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.