Home / 791,255.49-1,091,932.83-428,681.85

Finding the Fourth Proportional to 791,255.49, 1,091,932.83 and 428,681.85

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Solution

The fourth proportional to 791,255.49, 1,091,932.83 and 428,681.85 is: 591,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,255.49 : 1,091,932.83 = 428,681.85 : x
  2. Step 2: Convert to fraction form
    791,255.49/1,091,932.83 = 428,681.85/x
  3. Step 3: Cross multiply
    791,255.49x = 1,091,932.83 × 428,681.85
  4. Step 4: Simplify right side
    791,255.49x = 468,091,785,640.14
  5. Step 5: Solve for x
    x = 468,091,785,640.14/791,255.49
  6. Step 6: Final answer
    x = 591,581.09

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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.