Home / 888,491.46-1,332,736.20-289,451.76

Finding the Fourth Proportional to 888,491.46, 1,332,736.20 and 289,451.76

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Solution

The fourth proportional to 888,491.46, 1,332,736.20 and 289,451.76 is: 434,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,491.46 : 1,332,736.20 = 289,451.76 : x
  2. Step 2: Convert to fraction form
    888,491.46/1,332,736.20 = 289,451.76/x
  3. Step 3: Cross multiply
    888,491.46x = 1,332,736.20 × 289,451.76
  4. Step 4: Simplify right side
    888,491.46x = 385,762,838,705.71
  5. Step 5: Solve for x
    x = 385,762,838,705.71/888,491.46
  6. Step 6: Final answer
    x = 434,177.32

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1.5x scale

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.