Home / 791,473.68-1,092,229.41-428,888.22

Finding the Fourth Proportional to 791,473.68, 1,092,229.41 and 428,888.22

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Solution

The fourth proportional to 791,473.68, 1,092,229.41 and 428,888.22 is: 591,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,473.68 : 1,092,229.41 = 428,888.22 : x
  2. Step 2: Convert to fraction form
    791,473.68/1,092,229.41 = 428,888.22/x
  3. Step 3: Cross multiply
    791,473.68x = 1,092,229.41 × 428,888.22
  4. Step 4: Simplify right side
    791,473.68x = 468,444,324,999.02
  5. Step 5: Solve for x
    x = 468,444,324,999.02/791,473.68
  6. Step 6: Final answer
    x = 591,863.43

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Half scale
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Double scale
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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.