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Finding the Fourth Proportional to 647,208.46, 893,168.67 and 360,789.22

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Solution

The fourth proportional to 647,208.46, 893,168.67 and 360,789.22 is: 497,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,208.46 : 893,168.67 = 360,789.22 : x
  2. Step 2: Convert to fraction form
    647,208.46/893,168.67 = 360,789.22/x
  3. Step 3: Cross multiply
    647,208.46x = 893,168.67 × 360,789.22
  4. Step 4: Simplify right side
    647,208.46x = 322,245,627,777.74
  5. Step 5: Solve for x
    x = 322,245,627,777.74/647,208.46
  6. Step 6: Final answer
    x = 497,900.83

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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.