Home / 654,518.98-981,790.62-205,229.80

Finding the Fourth Proportional to 654,518.98, 981,790.62 and 205,229.80

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Solution

The fourth proportional to 654,518.98, 981,790.62 and 205,229.80 is: 307,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,518.98 : 981,790.62 = 205,229.80 : x
  2. Step 2: Convert to fraction form
    654,518.98/981,790.62 = 205,229.80/x
  3. Step 3: Cross multiply
    654,518.98x = 981,790.62 × 205,229.80
  4. Step 4: Simplify right side
    654,518.98x = 201,492,692,584.48
  5. Step 5: Solve for x
    x = 201,492,692,584.48/654,518.98
  6. Step 6: Final answer
    x = 307,848.51

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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.