Home / 888,469.74-1,332,703.58-289,429.94

Finding the Fourth Proportional to 888,469.74, 1,332,703.58 and 289,429.94

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Solution

The fourth proportional to 888,469.74, 1,332,703.58 and 289,429.94 is: 434,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,469.74 : 1,332,703.58 = 289,429.94 : x
  2. Step 2: Convert to fraction form
    888,469.74/1,332,703.58 = 289,429.94/x
  3. Step 3: Cross multiply
    888,469.74x = 1,332,703.58 × 289,429.94
  4. Step 4: Simplify right side
    888,469.74x = 385,724,309,086.52
  5. Step 5: Solve for x
    x = 385,724,309,086.52/888,469.74
  6. Step 6: Final answer
    x = 434,144.57

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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.