Home / 654,446.61-981,682.06-205,157.43

Finding the Fourth Proportional to 654,446.61, 981,682.06 and 205,157.43

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Solution

The fourth proportional to 654,446.61, 981,682.06 and 205,157.43 is: 307,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,446.61 : 981,682.06 = 205,157.43 : x
  2. Step 2: Convert to fraction form
    654,446.61/981,682.06 = 205,157.43/x
  3. Step 3: Cross multiply
    654,446.61x = 981,682.06 × 205,157.43
  4. Step 4: Simplify right side
    654,446.61x = 201,399,363,085.40
  5. Step 5: Solve for x
    x = 201,399,363,085.40/654,446.61
  6. Step 6: Final answer
    x = 307,739.95

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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.