Home / 643,966.44-966,112.72-454,796.34

Finding the Fourth Proportional to 643,966.44, 966,112.72 and 454,796.34

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Solution

The fourth proportional to 643,966.44, 966,112.72 and 454,796.34 is: 682,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,966.44 : 966,112.72 = 454,796.34 : x
  2. Step 2: Convert to fraction form
    643,966.44/966,112.72 = 454,796.34/x
  3. Step 3: Cross multiply
    643,966.44x = 966,112.72 × 454,796.34
  4. Step 4: Simplify right side
    643,966.44x = 439,384,529,083.45
  5. Step 5: Solve for x
    x = 439,384,529,083.45/643,966.44
  6. Step 6: Final answer
    x = 682,309.67

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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.