Home / 579,990.58-869,776.62-200,808.52

Finding the Fourth Proportional to 579,990.58, 869,776.62 and 200,808.52

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Solution

The fourth proportional to 579,990.58, 869,776.62 and 200,808.52 is: 301,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,990.58 : 869,776.62 = 200,808.52 : x
  2. Step 2: Convert to fraction form
    579,990.58/869,776.62 = 200,808.52/x
  3. Step 3: Cross multiply
    579,990.58x = 869,776.62 × 200,808.52
  4. Step 4: Simplify right side
    579,990.58x = 174,658,555,792.80
  5. Step 5: Solve for x
    x = 174,658,555,792.80/579,990.58
  6. Step 6: Final answer
    x = 301,140.33

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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.