Home / 769,804.68-1,154,570.94-208,882.92

Finding the Fourth Proportional to 769,804.68, 1,154,570.94 and 208,882.92

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Solution

The fourth proportional to 769,804.68, 1,154,570.94 and 208,882.92 is: 313,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,804.68 : 1,154,570.94 = 208,882.92 : x
  2. Step 2: Convert to fraction form
    769,804.68/1,154,570.94 = 208,882.92/x
  3. Step 3: Cross multiply
    769,804.68x = 1,154,570.94 × 208,882.92
  4. Step 4: Simplify right side
    769,804.68x = 241,170,149,294.35
  5. Step 5: Solve for x
    x = 241,170,149,294.35/769,804.68
  6. Step 6: Final answer
    x = 313,287.46

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Similar ratio
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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.