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Finding the Fourth Proportional to 606,951.60, 910,986.52 and 307,644.46

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Solution

The fourth proportional to 606,951.60, 910,986.52 and 307,644.46 is: 461,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,951.60 : 910,986.52 = 307,644.46 : x
  2. Step 2: Convert to fraction form
    606,951.60/910,986.52 = 307,644.46/x
  3. Step 3: Cross multiply
    606,951.60x = 910,986.52 × 307,644.46
  4. Step 4: Simplify right side
    606,951.60x = 280,259,956,012.68
  5. Step 5: Solve for x
    x = 280,259,956,012.68/606,951.60
  6. Step 6: Final answer
    x = 461,750.09

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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.