Home / 756,067.20-1,134,538.20-282,800.40

Finding the Fourth Proportional to 756,067.20, 1,134,538.20 and 282,800.40

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Solution

The fourth proportional to 756,067.20, 1,134,538.20 and 282,800.40 is: 424,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,067.20 : 1,134,538.20 = 282,800.40 : x
  2. Step 2: Convert to fraction form
    756,067.20/1,134,538.20 = 282,800.40/x
  3. Step 3: Cross multiply
    756,067.20x = 1,134,538.20 × 282,800.40
  4. Step 4: Simplify right side
    756,067.20x = 320,847,856,775.28
  5. Step 5: Solve for x
    x = 320,847,856,775.28/756,067.20
  6. Step 6: Final answer
    x = 424,364.21

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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.