Home / 676,872.30-1,014,919.65-203,486.70

Finding the Fourth Proportional to 676,872.30, 1,014,919.65 and 203,486.70

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Solution

The fourth proportional to 676,872.30, 1,014,919.65 and 203,486.70 is: 305,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,872.30 : 1,014,919.65 = 203,486.70 : x
  2. Step 2: Convert to fraction form
    676,872.30/1,014,919.65 = 203,486.70/x
  3. Step 3: Cross multiply
    676,872.30x = 1,014,919.65 × 203,486.70
  4. Step 4: Simplify right side
    676,872.30x = 206,522,650,343.66
  5. Step 5: Solve for x
    x = 206,522,650,343.66/676,872.30
  6. Step 6: Final answer
    x = 305,113.17

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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.