Home / 800,884.29-1,105,220.77-438,307.94

Finding the Fourth Proportional to 800,884.29, 1,105,220.77 and 438,307.94

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Solution

The fourth proportional to 800,884.29, 1,105,220.77 and 438,307.94 is: 604,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,884.29 : 1,105,220.77 = 438,307.94 : x
  2. Step 2: Convert to fraction form
    800,884.29/1,105,220.77 = 438,307.94/x
  3. Step 3: Cross multiply
    800,884.29x = 1,105,220.77 × 438,307.94
  4. Step 4: Simplify right side
    800,884.29x = 484,427,040,611.20
  5. Step 5: Solve for x
    x = 484,427,040,611.20/800,884.29
  6. Step 6: Final answer
    x = 604,865.20

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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.