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Finding the Fourth Proportional to 605,548.95, 835,658.33 and 329,905.44

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Solution

The fourth proportional to 605,548.95, 835,658.33 and 329,905.44 is: 455,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,548.95 : 835,658.33 = 329,905.44 : x
  2. Step 2: Convert to fraction form
    605,548.95/835,658.33 = 329,905.44/x
  3. Step 3: Cross multiply
    605,548.95x = 835,658.33 × 329,905.44
  4. Step 4: Simplify right side
    605,548.95x = 275,688,227,398.79
  5. Step 5: Solve for x
    x = 275,688,227,398.79/605,548.95
  6. Step 6: Final answer
    x = 455,269.93

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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.