Home / 888,466.61-1,332,698.86-289,426.79

Finding the Fourth Proportional to 888,466.61, 1,332,698.86 and 289,426.79

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Solution

The fourth proportional to 888,466.61, 1,332,698.86 and 289,426.79 is: 434,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,466.61 : 1,332,698.86 = 289,426.79 : x
  2. Step 2: Convert to fraction form
    888,466.61/1,332,698.86 = 289,426.79/x
  3. Step 3: Cross multiply
    888,466.61x = 1,332,698.86 × 289,426.79
  4. Step 4: Simplify right side
    888,466.61x = 385,718,753,086.46
  5. Step 5: Solve for x
    x = 385,718,753,086.46/888,466.61
  6. Step 6: Final answer
    x = 434,139.84

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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.