Home / 756,129.20-1,134,712.20-335,706.80

Finding the Fourth Proportional to 756,129.20, 1,134,712.20 and 335,706.80

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Solution

The fourth proportional to 756,129.20, 1,134,712.20 and 335,706.80 is: 503,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,129.20 : 1,134,712.20 = 335,706.80 : x
  2. Step 2: Convert to fraction form
    756,129.20/1,134,712.20 = 335,706.80/x
  3. Step 3: Cross multiply
    756,129.20x = 1,134,712.20 × 335,706.80
  4. Step 4: Simplify right side
    756,129.20x = 380,930,601,582.96
  5. Step 5: Solve for x
    x = 380,930,601,582.96/756,129.20
  6. Step 6: Final answer
    x = 503,790.36

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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.