Home / 705,200.70-1,057,780.32-199,760.70

Finding the Fourth Proportional to 705,200.70, 1,057,780.32 and 199,760.70

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Solution

The fourth proportional to 705,200.70, 1,057,780.32 and 199,760.70 is: 299,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,200.70 : 1,057,780.32 = 199,760.70 : x
  2. Step 2: Convert to fraction form
    705,200.70/1,057,780.32 = 199,760.70/x
  3. Step 3: Cross multiply
    705,200.70x = 1,057,780.32 × 199,760.70
  4. Step 4: Simplify right side
    705,200.70x = 211,302,937,169.42
  5. Step 5: Solve for x
    x = 211,302,937,169.42/705,200.70
  6. Step 6: Final answer
    x = 299,635.18

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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.