Home / 800,759.89-1,105,048.60-438,183.79

Finding the Fourth Proportional to 800,759.89, 1,105,048.60 and 438,183.79

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Solution

The fourth proportional to 800,759.89, 1,105,048.60 and 438,183.79 is: 604,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,759.89 : 1,105,048.60 = 438,183.79 : x
  2. Step 2: Convert to fraction form
    800,759.89/1,105,048.60 = 438,183.79/x
  3. Step 3: Cross multiply
    800,759.89x = 1,105,048.60 × 438,183.79
  4. Step 4: Simplify right side
    800,759.89x = 484,214,382,717.67
  5. Step 5: Solve for x
    x = 484,214,382,717.67/800,759.89
  6. Step 6: Final answer
    x = 604,693.60

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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.