Home / 480,906.72-721,353.60-230,830.56

Finding the Fourth Proportional to 480,906.72, 721,353.60 and 230,830.56

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Solution

The fourth proportional to 480,906.72, 721,353.60 and 230,830.56 is: 346,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,906.72 : 721,353.60 = 230,830.56 : x
  2. Step 2: Convert to fraction form
    480,906.72/721,353.60 = 230,830.56/x
  3. Step 3: Cross multiply
    480,906.72x = 721,353.60 × 230,830.56
  4. Step 4: Simplify right side
    480,906.72x = 166,510,455,446.02
  5. Step 5: Solve for x
    x = 166,510,455,446.02/480,906.72
  6. Step 6: Final answer
    x = 346,242.73

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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.