Home / 757,589.83-1,134,574.63-419,792.65

Finding the Fourth Proportional to 757,589.83, 1,134,574.63 and 419,792.65

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Solution

The fourth proportional to 757,589.83, 1,134,574.63 and 419,792.65 is: 628,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,589.83 : 1,134,574.63 = 419,792.65 : x
  2. Step 2: Convert to fraction form
    757,589.83/1,134,574.63 = 419,792.65/x
  3. Step 3: Cross multiply
    757,589.83x = 1,134,574.63 × 419,792.65
  4. Step 4: Simplify right side
    757,589.83x = 476,286,086,664.55
  5. Step 5: Solve for x
    x = 476,286,086,664.55/757,589.83
  6. Step 6: Final answer
    x = 628,685.96

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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.