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Finding the Fourth Proportional to 606,123.12, 836,808.30 and 538,869

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Solution

The fourth proportional to 606,123.12, 836,808.30 and 538,869 is: 743,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.12 : 836,808.30 = 538,869 : x
  2. Step 2: Convert to fraction form
    606,123.12/836,808.30 = 538,869/x
  3. Step 3: Cross multiply
    606,123.12x = 836,808.30 × 538,869
  4. Step 4: Simplify right side
    606,123.12x = 450,930,051,812.70
  5. Step 5: Solve for x
    x = 450,930,051,812.70/606,123.12
  6. Step 6: Final answer
    x = 743,957.85

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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.