Home / 791,350.67-1,092,062.42-428,784.35

Finding the Fourth Proportional to 791,350.67, 1,092,062.42 and 428,784.35

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Solution

The fourth proportional to 791,350.67, 1,092,062.42 and 428,784.35 is: 591,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,350.67 : 1,092,062.42 = 428,784.35 : x
  2. Step 2: Convert to fraction form
    791,350.67/1,092,062.42 = 428,784.35/x
  3. Step 3: Cross multiply
    791,350.67x = 1,092,062.42 × 428,784.35
  4. Step 4: Simplify right side
    791,350.67x = 468,259,268,922.83
  5. Step 5: Solve for x
    x = 468,259,268,922.83/791,350.67
  6. Step 6: Final answer
    x = 591,721.58

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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.