Home / 982,763.21-1,474,153.07-272,846.61

Finding the Fourth Proportional to 982,763.21, 1,474,153.07 and 272,846.61

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Solution

The fourth proportional to 982,763.21, 1,474,153.07 and 272,846.61 is: 409,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,763.21 : 1,474,153.07 = 272,846.61 : x
  2. Step 2: Convert to fraction form
    982,763.21/1,474,153.07 = 272,846.61/x
  3. Step 3: Cross multiply
    982,763.21x = 1,474,153.07 × 272,846.61
  4. Step 4: Simplify right side
    982,763.21x = 402,217,667,770.59
  5. Step 5: Solve for x
    x = 402,217,667,770.59/982,763.21
  6. Step 6: Final answer
    x = 409,272.21

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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.