Home / 800,511.35-1,201,180.94-351,547.79

Finding the Fourth Proportional to 800,511.35, 1,201,180.94 and 351,547.79

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Solution

The fourth proportional to 800,511.35, 1,201,180.94 and 351,547.79 is: 527,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,511.35 : 1,201,180.94 = 351,547.79 : x
  2. Step 2: Convert to fraction form
    800,511.35/1,201,180.94 = 351,547.79/x
  3. Step 3: Cross multiply
    800,511.35x = 1,201,180.94 × 351,547.79
  4. Step 4: Simplify right side
    800,511.35x = 422,272,504,847.12
  5. Step 5: Solve for x
    x = 422,272,504,847.12/800,511.35
  6. Step 6: Final answer
    x = 527,503.46

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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.