Home / 857,273.30-1,286,123.82-605,046.52

Finding the Fourth Proportional to 857,273.30, 1,286,123.82 and 605,046.52

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Solution

The fourth proportional to 857,273.30, 1,286,123.82 and 605,046.52 is: 907,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,273.30 : 1,286,123.82 = 605,046.52 : x
  2. Step 2: Convert to fraction form
    857,273.30/1,286,123.82 = 605,046.52/x
  3. Step 3: Cross multiply
    857,273.30x = 1,286,123.82 × 605,046.52
  4. Step 4: Simplify right side
    857,273.30x = 778,164,741,580.11
  5. Step 5: Solve for x
    x = 778,164,741,580.11/857,273.30
  6. Step 6: Final answer
    x = 907,720.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.