Home / 676,711.40-1,015,212.90-203,444.60

Finding the Fourth Proportional to 676,711.40, 1,015,212.90 and 203,444.60

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Solution

The fourth proportional to 676,711.40, 1,015,212.90 and 203,444.60 is: 305,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,711.40 : 1,015,212.90 = 203,444.60 : x
  2. Step 2: Convert to fraction form
    676,711.40/1,015,212.90 = 203,444.60/x
  3. Step 3: Cross multiply
    676,711.40x = 1,015,212.90 × 203,444.60
  4. Step 4: Simplify right side
    676,711.40x = 206,539,582,355.34
  5. Step 5: Solve for x
    x = 206,539,582,355.34/676,711.40
  6. Step 6: Final answer
    x = 305,210.73

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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.