Home / 579,871.46-869,598.79-200,689.34

Finding the Fourth Proportional to 579,871.46, 869,598.79 and 200,689.34

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Solution

The fourth proportional to 579,871.46, 869,598.79 and 200,689.34 is: 300,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871.46 : 869,598.79 = 200,689.34 : x
  2. Step 2: Convert to fraction form
    579,871.46/869,598.79 = 200,689.34/x
  3. Step 3: Cross multiply
    579,871.46x = 869,598.79 × 200,689.34
  4. Step 4: Simplify right side
    579,871.46x = 174,519,202,380.18
  5. Step 5: Solve for x
    x = 174,519,202,380.18/579,871.46
  6. Step 6: Final answer
    x = 300,961.87

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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.