Home / 809,079.84-1,213,750.98-303,680.34

Finding the Fourth Proportional to 809,079.84, 1,213,750.98 and 303,680.34

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Solution

The fourth proportional to 809,079.84, 1,213,750.98 and 303,680.34 is: 455,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,079.84 : 1,213,750.98 = 303,680.34 : x
  2. Step 2: Convert to fraction form
    809,079.84/1,213,750.98 = 303,680.34/x
  3. Step 3: Cross multiply
    809,079.84x = 1,213,750.98 × 303,680.34
  4. Step 4: Simplify right side
    809,079.84x = 368,592,310,281.73
  5. Step 5: Solve for x
    x = 368,592,310,281.73/809,079.84
  6. Step 6: Final answer
    x = 455,569.76

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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.