Home / 866,290.66-1,299,171.12-305,193.94

Finding the Fourth Proportional to 866,290.66, 1,299,171.12 and 305,193.94

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Solution

The fourth proportional to 866,290.66, 1,299,171.12 and 305,193.94 is: 457,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,290.66 : 1,299,171.12 = 305,193.94 : x
  2. Step 2: Convert to fraction form
    866,290.66/1,299,171.12 = 305,193.94/x
  3. Step 3: Cross multiply
    866,290.66x = 1,299,171.12 × 305,193.94
  4. Step 4: Simplify right side
    866,290.66x = 396,499,148,454.61
  5. Step 5: Solve for x
    x = 396,499,148,454.61/866,290.66
  6. Step 6: Final answer
    x = 457,697.59

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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.