Home / 791,363.22-1,092,077.54-428,787.09

Finding the Fourth Proportional to 791,363.22, 1,092,077.54 and 428,787.09

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Solution

The fourth proportional to 791,363.22, 1,092,077.54 and 428,787.09 is: 591,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,363.22 : 1,092,077.54 = 428,787.09 : x
  2. Step 2: Convert to fraction form
    791,363.22/1,092,077.54 = 428,787.09/x
  3. Step 3: Cross multiply
    791,363.22x = 1,092,077.54 × 428,787.09
  4. Step 4: Simplify right side
    791,363.22x = 468,268,752,966.44
  5. Step 5: Solve for x
    x = 468,268,752,966.44/791,363.22
  6. Step 6: Final answer
    x = 591,724.18

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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.