Home / 756,039.20-1,134,577.20-335,616.80

Finding the Fourth Proportional to 756,039.20, 1,134,577.20 and 335,616.80

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Solution

The fourth proportional to 756,039.20, 1,134,577.20 and 335,616.80 is: 503,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,039.20 : 1,134,577.20 = 335,616.80 : x
  2. Step 2: Convert to fraction form
    756,039.20/1,134,577.20 = 335,616.80/x
  3. Step 3: Cross multiply
    756,039.20x = 1,134,577.20 × 335,616.80
  4. Step 4: Simplify right side
    756,039.20x = 380,783,169,216.96
  5. Step 5: Solve for x
    x = 380,783,169,216.96/756,039.20
  6. Step 6: Final answer
    x = 503,655.33

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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.