Home / 991,280.70-1,486,922.22-271,628.46

Finding the Fourth Proportional to 991,280.70, 1,486,922.22 and 271,628.46

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Solution

The fourth proportional to 991,280.70, 1,486,922.22 and 271,628.46 is: 407,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,280.70 : 1,486,922.22 = 271,628.46 : x
  2. Step 2: Convert to fraction form
    991,280.70/1,486,922.22 = 271,628.46/x
  3. Step 3: Cross multiply
    991,280.70x = 1,486,922.22 × 271,628.46
  4. Step 4: Simplify right side
    991,280.70x = 403,890,392,758.38
  5. Step 5: Solve for x
    x = 403,890,392,758.38/991,280.70
  6. Step 6: Final answer
    x = 407,443.01

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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.