Home / 814,229.82-1,123,633.01-451,649.93

Finding the Fourth Proportional to 814,229.82, 1,123,633.01 and 451,649.93

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Solution

The fourth proportional to 814,229.82, 1,123,633.01 and 451,649.93 is: 623,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,229.82 : 1,123,633.01 = 451,649.93 : x
  2. Step 2: Convert to fraction form
    814,229.82/1,123,633.01 = 451,649.93/x
  3. Step 3: Cross multiply
    814,229.82x = 1,123,633.01 × 451,649.93
  4. Step 4: Simplify right side
    814,229.82x = 507,488,765,823.15
  5. Step 5: Solve for x
    x = 507,488,765,823.15/814,229.82
  6. Step 6: Final answer
    x = 623,274.60

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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.