Home / 791,351.38-1,092,063.36-428,785.05

Finding the Fourth Proportional to 791,351.38, 1,092,063.36 and 428,785.05

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Solution

The fourth proportional to 791,351.38, 1,092,063.36 and 428,785.05 is: 591,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,351.38 : 1,092,063.36 = 428,785.05 : x
  2. Step 2: Convert to fraction form
    791,351.38/1,092,063.36 = 428,785.05/x
  3. Step 3: Cross multiply
    791,351.38x = 1,092,063.36 × 428,785.05
  4. Step 4: Simplify right side
    791,351.38x = 468,260,448,123.95
  5. Step 5: Solve for x
    x = 468,260,448,123.95/791,351.38
  6. Step 6: Final answer
    x = 591,722.54

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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.