Home / 768,082.42-1,152,021.12-228,328.58

Finding the Fourth Proportional to 768,082.42, 1,152,021.12 and 228,328.58

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Solution

The fourth proportional to 768,082.42, 1,152,021.12 and 228,328.58 is: 342,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,082.42 : 1,152,021.12 = 228,328.58 : x
  2. Step 2: Convert to fraction form
    768,082.42/1,152,021.12 = 228,328.58/x
  3. Step 3: Cross multiply
    768,082.42x = 1,152,021.12 × 228,328.58
  4. Step 4: Simplify right side
    768,082.42x = 263,039,342,003.31
  5. Step 5: Solve for x
    x = 263,039,342,003.31/768,082.42
  6. Step 6: Final answer
    x = 342,462.39

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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.