Home / 627,960.95-941,871.37-172,587.09

Finding the Fourth Proportional to 627,960.95, 941,871.37 and 172,587.09

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Solution

The fourth proportional to 627,960.95, 941,871.37 and 172,587.09 is: 258,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,960.95 : 941,871.37 = 172,587.09 : x
  2. Step 2: Convert to fraction form
    627,960.95/941,871.37 = 172,587.09/x
  3. Step 3: Cross multiply
    627,960.95x = 941,871.37 × 172,587.09
  4. Step 4: Simplify right side
    627,960.95x = 162,554,838,902.61
  5. Step 5: Solve for x
    x = 162,554,838,902.61/627,960.95
  6. Step 6: Final answer
    x = 258,861.38

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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.