Home / 888,855.75-1,333,299.42-289,814.58

Finding the Fourth Proportional to 888,855.75, 1,333,299.42 and 289,814.58

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Solution

The fourth proportional to 888,855.75, 1,333,299.42 and 289,814.58 is: 434,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,855.75 : 1,333,299.42 = 289,814.58 : x
  2. Step 2: Convert to fraction form
    888,855.75/1,333,299.42 = 289,814.58/x
  3. Step 3: Cross multiply
    888,855.75x = 1,333,299.42 × 289,814.58
  4. Step 4: Simplify right side
    888,855.75x = 386,409,611,421.54
  5. Step 5: Solve for x
    x = 386,409,611,421.54/888,855.75
  6. Step 6: Final answer
    x = 434,727.02

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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.