Home / 691,273.07-1,036,685.45-264,786.20

Finding the Fourth Proportional to 691,273.07, 1,036,685.45 and 264,786.20

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Solution

The fourth proportional to 691,273.07, 1,036,685.45 and 264,786.20 is: 397,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,273.07 : 1,036,685.45 = 264,786.20 : x
  2. Step 2: Convert to fraction form
    691,273.07/1,036,685.45 = 264,786.20/x
  3. Step 3: Cross multiply
    691,273.07x = 1,036,685.45 × 264,786.20
  4. Step 4: Simplify right side
    691,273.07x = 274,499,994,393.43
  5. Step 5: Solve for x
    x = 274,499,994,393.43/691,273.07
  6. Step 6: Final answer
    x = 397,093.43

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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.