Home / 791,822.55-1,092,458.21-447,625.20

Finding the Fourth Proportional to 791,822.55, 1,092,458.21 and 447,625.20

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Solution

The fourth proportional to 791,822.55, 1,092,458.21 and 447,625.20 is: 617,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,822.55 : 1,092,458.21 = 447,625.20 : x
  2. Step 2: Convert to fraction form
    791,822.55/1,092,458.21 = 447,625.20/x
  3. Step 3: Cross multiply
    791,822.55x = 1,092,458.21 × 447,625.20
  4. Step 4: Simplify right side
    791,822.55x = 489,011,820,399.66
  5. Step 5: Solve for x
    x = 489,011,820,399.66/791,822.55
  6. Step 6: Final answer
    x = 617,577.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.