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Finding the Fourth Proportional to 655,914.60, 984,309.30 and 300,745.80

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Solution

The fourth proportional to 655,914.60, 984,309.30 and 300,745.80 is: 451,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,914.60 : 984,309.30 = 300,745.80 : x
  2. Step 2: Convert to fraction form
    655,914.60/984,309.30 = 300,745.80/x
  3. Step 3: Cross multiply
    655,914.60x = 984,309.30 × 300,745.80
  4. Step 4: Simplify right side
    655,914.60x = 296,026,887,875.94
  5. Step 5: Solve for x
    x = 296,026,887,875.94/655,914.60
  6. Step 6: Final answer
    x = 451,319.25

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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.