Home / 756,811.20-1,133,661.60-383,044.80

Finding the Fourth Proportional to 756,811.20, 1,133,661.60 and 383,044.80

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Solution

The fourth proportional to 756,811.20, 1,133,661.60 and 383,044.80 is: 573,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,811.20 : 1,133,661.60 = 383,044.80 : x
  2. Step 2: Convert to fraction form
    756,811.20/1,133,661.60 = 383,044.80/x
  3. Step 3: Cross multiply
    756,811.20x = 1,133,661.60 × 383,044.80
  4. Step 4: Simplify right side
    756,811.20x = 434,243,180,839.68
  5. Step 5: Solve for x
    x = 434,243,180,839.68/756,811.20
  6. Step 6: Final answer
    x = 573,780.07

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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.