Home / 499,849.60-749,774.40-322,556.80

Finding the Fourth Proportional to 499,849.60, 749,774.40 and 322,556.80

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Solution

The fourth proportional to 499,849.60, 749,774.40 and 322,556.80 is: 483,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,849.60 : 749,774.40 = 322,556.80 : x
  2. Step 2: Convert to fraction form
    499,849.60/749,774.40 = 322,556.80/x
  3. Step 3: Cross multiply
    499,849.60x = 749,774.40 × 322,556.80
  4. Step 4: Simplify right side
    499,849.60x = 241,844,831,185.92
  5. Step 5: Solve for x
    x = 241,844,831,185.92/499,849.60
  6. Step 6: Final answer
    x = 483,835.20

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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.