Home / 733,404.21-1,012,201.19-406,789.87

Finding the Fourth Proportional to 733,404.21, 1,012,201.19 and 406,789.87

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Solution

The fourth proportional to 733,404.21, 1,012,201.19 and 406,789.87 is: 561,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,404.21 : 1,012,201.19 = 406,789.87 : x
  2. Step 2: Convert to fraction form
    733,404.21/1,012,201.19 = 406,789.87/x
  3. Step 3: Cross multiply
    733,404.21x = 1,012,201.19 × 406,789.87
  4. Step 4: Simplify right side
    733,404.21x = 411,753,190,493.95
  5. Step 5: Solve for x
    x = 411,753,190,493.95/733,404.21
  6. Step 6: Final answer
    x = 561,427.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.