Home / 1,089,308.20-1,633,974.18-331,272.94

Finding the Fourth Proportional to 1,089,308.20, 1,633,974.18 and 331,272.94

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Solution

The fourth proportional to 1,089,308.20, 1,633,974.18 and 331,272.94 is: 496,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,308.20 : 1,633,974.18 = 331,272.94 : x
  2. Step 2: Convert to fraction form
    1,089,308.20/1,633,974.18 = 331,272.94/x
  3. Step 3: Cross multiply
    1,089,308.20x = 1,633,974.18 × 331,272.94
  4. Step 4: Simplify right side
    1,089,308.20x = 541,291,430,492.69
  5. Step 5: Solve for x
    x = 541,291,430,492.69/1,089,308.20
  6. Step 6: Final answer
    x = 496,913.02

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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.