Home / 768,440.97-1,152,559.36-228,687.57

Finding the Fourth Proportional to 768,440.97, 1,152,559.36 and 228,687.57

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Solution

The fourth proportional to 768,440.97, 1,152,559.36 and 228,687.57 is: 343,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,440.97 : 1,152,559.36 = 228,687.57 : x
  2. Step 2: Convert to fraction form
    768,440.97/1,152,559.36 = 228,687.57/x
  3. Step 3: Cross multiply
    768,440.97x = 1,152,559.36 × 228,687.57
  4. Step 4: Simplify right side
    768,440.97x = 263,575,999,319.16
  5. Step 5: Solve for x
    x = 263,575,999,319.16/768,440.97
  6. Step 6: Final answer
    x = 343,000.97

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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.