Home / 791,350.63-1,092,062.33-428,784.30

Finding the Fourth Proportional to 791,350.63, 1,092,062.33 and 428,784.30

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Solution

The fourth proportional to 791,350.63, 1,092,062.33 and 428,784.30 is: 591,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,350.63 : 1,092,062.33 = 428,784.30 : x
  2. Step 2: Convert to fraction form
    791,350.63/1,092,062.33 = 428,784.30/x
  3. Step 3: Cross multiply
    791,350.63x = 1,092,062.33 × 428,784.30
  4. Step 4: Simplify right side
    791,350.63x = 468,259,185,284.67
  5. Step 5: Solve for x
    x = 468,259,185,284.67/791,350.63
  6. Step 6: Final answer
    x = 591,721.50

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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.