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Finding the Fourth Proportional to 647,959.92, 894,185.08 and 361,480.01

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Solution

The fourth proportional to 647,959.92, 894,185.08 and 361,480.01 is: 498,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,959.92 : 894,185.08 = 361,480.01 : x
  2. Step 2: Convert to fraction form
    647,959.92/894,185.08 = 361,480.01/x
  3. Step 3: Cross multiply
    647,959.92x = 894,185.08 × 361,480.01
  4. Step 4: Simplify right side
    647,959.92x = 323,230,028,069.24
  5. Step 5: Solve for x
    x = 323,230,028,069.24/647,959.92
  6. Step 6: Final answer
    x = 498,842.63

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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.