Home / 851,685.93-1,274,871.69-627,299.73

Finding the Fourth Proportional to 851,685.93, 1,274,871.69 and 627,299.73

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Solution

The fourth proportional to 851,685.93, 1,274,871.69 and 627,299.73 is: 938,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,685.93 : 1,274,871.69 = 627,299.73 : x
  2. Step 2: Convert to fraction form
    851,685.93/1,274,871.69 = 627,299.73/x
  3. Step 3: Cross multiply
    851,685.93x = 1,274,871.69 × 627,299.73
  4. Step 4: Simplify right side
    851,685.93x = 799,726,666,921.64
  5. Step 5: Solve for x
    x = 799,726,666,921.64/851,685.93
  6. Step 6: Final answer
    x = 938,992.46

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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.