Home / 784,538.80-1,176,982.44-223,578.16

Finding the Fourth Proportional to 784,538.80, 1,176,982.44 and 223,578.16

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Solution

The fourth proportional to 784,538.80, 1,176,982.44 and 223,578.16 is: 335,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,538.80 : 1,176,982.44 = 223,578.16 : x
  2. Step 2: Convert to fraction form
    784,538.80/1,176,982.44 = 223,578.16/x
  3. Step 3: Cross multiply
    784,538.80x = 1,176,982.44 × 223,578.16
  4. Step 4: Simplify right side
    784,538.80x = 263,147,568,287.51
  5. Step 5: Solve for x
    x = 263,147,568,287.51/784,538.80
  6. Step 6: Final answer
    x = 335,416.89

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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.