Home / 791,361.68-1,092,080.22-428,789.48

Finding the Fourth Proportional to 791,361.68, 1,092,080.22 and 428,789.48

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Solution

The fourth proportional to 791,361.68, 1,092,080.22 and 428,789.48 is: 591,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,361.68 : 1,092,080.22 = 428,789.48 : x
  2. Step 2: Convert to fraction form
    791,361.68/1,092,080.22 = 428,789.48/x
  3. Step 3: Cross multiply
    791,361.68x = 1,092,080.22 × 428,789.48
  4. Step 4: Simplify right side
    791,361.68x = 468,272,509,652.09
  5. Step 5: Solve for x
    x = 468,272,509,652.09/791,361.68
  6. Step 6: Final answer
    x = 591,730.08

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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.