Home / 513,074.48-769,815.84-197,446.64

Finding the Fourth Proportional to 513,074.48, 769,815.84 and 197,446.64

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Solution

The fourth proportional to 513,074.48, 769,815.84 and 197,446.64 is: 296,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,074.48 : 769,815.84 = 197,446.64 : x
  2. Step 2: Convert to fraction form
    513,074.48/769,815.84 = 197,446.64/x
  3. Step 3: Cross multiply
    513,074.48x = 769,815.84 × 197,446.64
  4. Step 4: Simplify right side
    513,074.48x = 151,997,551,026.78
  5. Step 5: Solve for x
    x = 151,997,551,026.78/513,074.48
  6. Step 6: Final answer
    x = 296,248.51

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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.