Home / 857,393.59-1,286,090.93-217,745.29

Finding the Fourth Proportional to 857,393.59, 1,286,090.93 and 217,745.29

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Solution

The fourth proportional to 857,393.59, 1,286,090.93 and 217,745.29 is: 326,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,393.59 : 1,286,090.93 = 217,745.29 : x
  2. Step 2: Convert to fraction form
    857,393.59/1,286,090.93 = 217,745.29/x
  3. Step 3: Cross multiply
    857,393.59x = 1,286,090.93 × 217,745.29
  4. Step 4: Simplify right side
    857,393.59x = 280,040,242,519.22
  5. Step 5: Solve for x
    x = 280,040,242,519.22/857,393.59
  6. Step 6: Final answer
    x = 326,618.07

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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.