Home / 724,373.20-1,086,511.20-191,882.80

Finding the Fourth Proportional to 724,373.20, 1,086,511.20 and 191,882.80

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Solution

The fourth proportional to 724,373.20, 1,086,511.20 and 191,882.80 is: 287,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,373.20 : 1,086,511.20 = 191,882.80 : x
  2. Step 2: Convert to fraction form
    724,373.20/1,086,511.20 = 191,882.80/x
  3. Step 3: Cross multiply
    724,373.20x = 1,086,511.20 × 191,882.80
  4. Step 4: Simplify right side
    724,373.20x = 208,482,811,287.36
  5. Step 5: Solve for x
    x = 208,482,811,287.36/724,373.20
  6. Step 6: Final answer
    x = 287,811.33

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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.