Home / 761,340.98-1,142,012.31-228,861.97

Finding the Fourth Proportional to 761,340.98, 1,142,012.31 and 228,861.97

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Solution

The fourth proportional to 761,340.98, 1,142,012.31 and 228,861.97 is: 343,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,340.98 : 1,142,012.31 = 228,861.97 : x
  2. Step 2: Convert to fraction form
    761,340.98/1,142,012.31 = 228,861.97/x
  3. Step 3: Cross multiply
    761,340.98x = 1,142,012.31 × 228,861.97
  4. Step 4: Simplify right side
    761,340.98x = 261,363,187,030.85
  5. Step 5: Solve for x
    x = 261,363,187,030.85/761,340.98
  6. Step 6: Final answer
    x = 343,293.21

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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.