Home / 791,362.68-1,092,081.60-428,790.48

Finding the Fourth Proportional to 791,362.68, 1,092,081.60 and 428,790.48

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Solution

The fourth proportional to 791,362.68, 1,092,081.60 and 428,790.48 is: 591,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,362.68 : 1,092,081.60 = 428,790.48 : x
  2. Step 2: Convert to fraction form
    791,362.68/1,092,081.60 = 428,790.48/x
  3. Step 3: Cross multiply
    791,362.68x = 1,092,081.60 × 428,790.48
  4. Step 4: Simplify right side
    791,362.68x = 468,274,193,463.17
  5. Step 5: Solve for x
    x = 468,274,193,463.17/791,362.68
  6. Step 6: Final answer
    x = 591,731.46

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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.