Home / 800,854.80-1,105,164.84-438,271.35

Finding the Fourth Proportional to 800,854.80, 1,105,164.84 and 438,271.35

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Solution

The fourth proportional to 800,854.80, 1,105,164.84 and 438,271.35 is: 604,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,854.80 : 1,105,164.84 = 438,271.35 : x
  2. Step 2: Convert to fraction form
    800,854.80/1,105,164.84 = 438,271.35/x
  3. Step 3: Cross multiply
    800,854.80x = 1,105,164.84 × 438,271.35
  4. Step 4: Simplify right side
    800,854.80x = 484,362,086,399.33
  5. Step 5: Solve for x
    x = 484,362,086,399.33/800,854.80
  6. Step 6: Final answer
    x = 604,806.37

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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.