Home / 756,343.20-1,134,514.80-335,661.60

Finding the Fourth Proportional to 756,343.20, 1,134,514.80 and 335,661.60

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Solution

The fourth proportional to 756,343.20, 1,134,514.80 and 335,661.60 is: 503,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,343.20 : 1,134,514.80 = 335,661.60 : x
  2. Step 2: Convert to fraction form
    756,343.20/1,134,514.80 = 335,661.60/x
  3. Step 3: Cross multiply
    756,343.20x = 1,134,514.80 × 335,661.60
  4. Step 4: Simplify right side
    756,343.20x = 380,813,052,991.68
  5. Step 5: Solve for x
    x = 380,813,052,991.68/756,343.20
  6. Step 6: Final answer
    x = 503,492.40

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Similar ratio
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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.