Home / 699,198.94-1,048,798.46-278,770.06

Finding the Fourth Proportional to 699,198.94, 1,048,798.46 and 278,770.06

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Solution

The fourth proportional to 699,198.94, 1,048,798.46 and 278,770.06 is: 418,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,198.94 : 1,048,798.46 = 278,770.06 : x
  2. Step 2: Convert to fraction form
    699,198.94/1,048,798.46 = 278,770.06/x
  3. Step 3: Cross multiply
    699,198.94x = 1,048,798.46 × 278,770.06
  4. Step 4: Simplify right side
    699,198.94x = 292,373,609,622.11
  5. Step 5: Solve for x
    x = 292,373,609,622.11/699,198.94
  6. Step 6: Final answer
    x = 418,155.11

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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.