Home / 792,021.70-1,188,032.55-418,773.70

Finding the Fourth Proportional to 792,021.70, 1,188,032.55 and 418,773.70

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Solution

The fourth proportional to 792,021.70, 1,188,032.55 and 418,773.70 is: 628,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,021.70 : 1,188,032.55 = 418,773.70 : x
  2. Step 2: Convert to fraction form
    792,021.70/1,188,032.55 = 418,773.70/x
  3. Step 3: Cross multiply
    792,021.70x = 1,188,032.55 × 418,773.70
  4. Step 4: Simplify right side
    792,021.70x = 497,516,786,683.94
  5. Step 5: Solve for x
    x = 497,516,786,683.94/792,021.70
  6. Step 6: Final answer
    x = 628,160.55

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Similar ratio
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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.