Home / 939,604.46-1,296,654.17-509,884.61

Finding the Fourth Proportional to 939,604.46, 1,296,654.17 and 509,884.61

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Solution

The fourth proportional to 939,604.46, 1,296,654.17 and 509,884.61 is: 703,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,604.46 : 1,296,654.17 = 509,884.61 : x
  2. Step 2: Convert to fraction form
    939,604.46/1,296,654.17 = 509,884.61/x
  3. Step 3: Cross multiply
    939,604.46x = 1,296,654.17 × 509,884.61
  4. Step 4: Simplify right side
    939,604.46x = 661,143,996,742.63
  5. Step 5: Solve for x
    x = 661,143,996,742.63/939,604.46
  6. Step 6: Final answer
    x = 703,640.76

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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.