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Finding the Fourth Proportional to 662,710.60, 994,584.30 and 307,768.60

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Solution

The fourth proportional to 662,710.60, 994,584.30 and 307,768.60 is: 461,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,710.60 : 994,584.30 = 307,768.60 : x
  2. Step 2: Convert to fraction form
    662,710.60/994,584.30 = 307,768.60/x
  3. Step 3: Cross multiply
    662,710.60x = 994,584.30 × 307,768.60
  4. Step 4: Simplify right side
    662,710.60x = 306,101,817,592.98
  5. Step 5: Solve for x
    x = 306,101,817,592.98/662,710.60
  6. Step 6: Final answer
    x = 461,893.65

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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.