Home / 857,241.57-1,286,076.17-605,014.72

Finding the Fourth Proportional to 857,241.57, 1,286,076.17 and 605,014.72

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Solution

The fourth proportional to 857,241.57, 1,286,076.17 and 605,014.72 is: 907,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,241.57 : 1,286,076.17 = 605,014.72 : x
  2. Step 2: Convert to fraction form
    857,241.57/1,286,076.17 = 605,014.72/x
  3. Step 3: Cross multiply
    857,241.57x = 1,286,076.17 × 605,014.72
  4. Step 4: Simplify right side
    857,241.57x = 778,095,013,891.22
  5. Step 5: Solve for x
    x = 778,095,013,891.22/857,241.57
  6. Step 6: Final answer
    x = 907,672.98

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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.