Home / 768,343.66-1,152,314.70-228,454.56

Finding the Fourth Proportional to 768,343.66, 1,152,314.70 and 228,454.56

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Solution

The fourth proportional to 768,343.66, 1,152,314.70 and 228,454.56 is: 342,622.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,343.66 : 1,152,314.70 = 228,454.56 : x
  2. Step 2: Convert to fraction form
    768,343.66/1,152,314.70 = 228,454.56/x
  3. Step 3: Cross multiply
    768,343.66x = 1,152,314.70 × 228,454.56
  4. Step 4: Simplify right side
    768,343.66x = 263,251,545,460.38
  5. Step 5: Solve for x
    x = 263,251,545,460.38/768,343.66
  6. Step 6: Final answer
    x = 342,622.14

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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.