Home / 791,240.51-1,091,910.57-428,673.58

Finding the Fourth Proportional to 791,240.51, 1,091,910.57 and 428,673.58

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Solution

The fourth proportional to 791,240.51, 1,091,910.57 and 428,673.58 is: 591,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,240.51 : 1,091,910.57 = 428,673.58 : x
  2. Step 2: Convert to fraction form
    791,240.51/1,091,910.57 = 428,673.58/x
  3. Step 3: Cross multiply
    791,240.51x = 1,091,910.57 × 428,673.58
  4. Step 4: Simplify right side
    791,240.51x = 468,073,213,081.74
  5. Step 5: Solve for x
    x = 468,073,213,081.74/791,240.51
  6. Step 6: Final answer
    x = 591,568.82

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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.