Home / 763,493.67-1,143,495.77-364,414.57

Finding the Fourth Proportional to 763,493.67, 1,143,495.77 and 364,414.57

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Solution

The fourth proportional to 763,493.67, 1,143,495.77 and 364,414.57 is: 545,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,493.67 : 1,143,495.77 = 364,414.57 : x
  2. Step 2: Convert to fraction form
    763,493.67/1,143,495.77 = 364,414.57/x
  3. Step 3: Cross multiply
    763,493.67x = 1,143,495.77 × 364,414.57
  4. Step 4: Simplify right side
    763,493.67x = 416,706,514,640.56
  5. Step 5: Solve for x
    x = 416,706,514,640.56/763,493.67
  6. Step 6: Final answer
    x = 545,789.09

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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.