Home / 838,134.82-1,156,626.04-456,164.34

Finding the Fourth Proportional to 838,134.82, 1,156,626.04 and 456,164.34

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Solution

The fourth proportional to 838,134.82, 1,156,626.04 and 456,164.34 is: 629,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,134.82 : 1,156,626.04 = 456,164.34 : x
  2. Step 2: Convert to fraction form
    838,134.82/1,156,626.04 = 456,164.34/x
  3. Step 3: Cross multiply
    838,134.82x = 1,156,626.04 × 456,164.34
  4. Step 4: Simplify right side
    838,134.82x = 527,611,554,163.41
  5. Step 5: Solve for x
    x = 527,611,554,163.41/838,134.82
  6. Step 6: Final answer
    x = 629,506.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.