Home / 394,629.60-591,944.40-364,216.80

Finding the Fourth Proportional to 394,629.60, 591,944.40 and 364,216.80

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Solution

The fourth proportional to 394,629.60, 591,944.40 and 364,216.80 is: 546,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,629.60 : 591,944.40 = 364,216.80 : x
  2. Step 2: Convert to fraction form
    394,629.60/591,944.40 = 364,216.80/x
  3. Step 3: Cross multiply
    394,629.60x = 591,944.40 × 364,216.80
  4. Step 4: Simplify right side
    394,629.60x = 215,596,095,145.92
  5. Step 5: Solve for x
    x = 215,596,095,145.92/394,629.60
  6. Step 6: Final answer
    x = 546,325.20

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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.