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Finding the Fourth Proportional to 647,007.96, 892,858.92 and 360,521.94

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Solution

The fourth proportional to 647,007.96, 892,858.92 and 360,521.94 is: 497,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,007.96 : 892,858.92 = 360,521.94 : x
  2. Step 2: Convert to fraction form
    647,007.96/892,858.92 = 360,521.94/x
  3. Step 3: Cross multiply
    647,007.96x = 892,858.92 × 360,521.94
  4. Step 4: Simplify right side
    647,007.96x = 321,895,229,984.71
  5. Step 5: Solve for x
    x = 321,895,229,984.71/647,007.96
  6. Step 6: Final answer
    x = 497,513.55

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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.