Home / 768,344.16-1,152,315.45-228,455.06

Finding the Fourth Proportional to 768,344.16, 1,152,315.45 and 228,455.06

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Solution

The fourth proportional to 768,344.16, 1,152,315.45 and 228,455.06 is: 342,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,344.16 : 1,152,315.45 = 228,455.06 : x
  2. Step 2: Convert to fraction form
    768,344.16/1,152,315.45 = 228,455.06/x
  3. Step 3: Cross multiply
    768,344.16x = 1,152,315.45 × 228,455.06
  4. Step 4: Simplify right side
    768,344.16x = 263,252,295,268.68
  5. Step 5: Solve for x
    x = 263,252,295,268.68/768,344.16
  6. Step 6: Final answer
    x = 342,622.89

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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.