Home / 699,278.94-1,048,629.24-219,346.65

Finding the Fourth Proportional to 699,278.94, 1,048,629.24 and 219,346.65

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Solution

The fourth proportional to 699,278.94, 1,048,629.24 and 219,346.65 is: 328,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,278.94 : 1,048,629.24 = 219,346.65 : x
  2. Step 2: Convert to fraction form
    699,278.94/1,048,629.24 = 219,346.65/x
  3. Step 3: Cross multiply
    699,278.94x = 1,048,629.24 × 219,346.65
  4. Step 4: Simplify right side
    699,278.94x = 230,013,310,886.05
  5. Step 5: Solve for x
    x = 230,013,310,886.05/699,278.94
  6. Step 6: Final answer
    x = 328,929.27

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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.