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Finding the Fourth Proportional to 606,872.86, 909,548.10 and 321,859.94

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Solution

The fourth proportional to 606,872.86, 909,548.10 and 321,859.94 is: 482,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,872.86 : 909,548.10 = 321,859.94 : x
  2. Step 2: Convert to fraction form
    606,872.86/909,548.10 = 321,859.94/x
  3. Step 3: Cross multiply
    606,872.86x = 909,548.10 × 321,859.94
  4. Step 4: Simplify right side
    606,872.86x = 292,747,096,893.11
  5. Step 5: Solve for x
    x = 292,747,096,893.11/606,872.86
  6. Step 6: Final answer
    x = 482,386.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.