Home / 699,200.20-1,048,797.30-193,759.72

Finding the Fourth Proportional to 699,200.20, 1,048,797.30 and 193,759.72

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Solution

The fourth proportional to 699,200.20, 1,048,797.30 and 193,759.72 is: 290,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,200.20 : 1,048,797.30 = 193,759.72 : x
  2. Step 2: Convert to fraction form
    699,200.20/1,048,797.30 = 193,759.72/x
  3. Step 3: Cross multiply
    699,200.20x = 1,048,797.30 × 193,759.72
  4. Step 4: Simplify right side
    699,200.20x = 203,214,674,098.95
  5. Step 5: Solve for x
    x = 203,214,674,098.95/699,200.20
  6. Step 6: Final answer
    x = 290,638.75

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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.