Home / 909,489.60-1,364,238.90-235,523.64

Finding the Fourth Proportional to 909,489.60, 1,364,238.90 and 235,523.64

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Solution

The fourth proportional to 909,489.60, 1,364,238.90 and 235,523.64 is: 353,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,489.60 : 1,364,238.90 = 235,523.64 : x
  2. Step 2: Convert to fraction form
    909,489.60/1,364,238.90 = 235,523.64/x
  3. Step 3: Cross multiply
    909,489.60x = 1,364,238.90 × 235,523.64
  4. Step 4: Simplify right side
    909,489.60x = 321,310,511,557.60
  5. Step 5: Solve for x
    x = 321,310,511,557.60/909,489.60
  6. Step 6: Final answer
    x = 353,286.63

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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.