Home / 999,832.50-1,379,766.80-540,945.66

Finding the Fourth Proportional to 999,832.50, 1,379,766.80 and 540,945.66

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Solution

The fourth proportional to 999,832.50, 1,379,766.80 and 540,945.66 is: 746,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,832.50 : 1,379,766.80 = 540,945.66 : x
  2. Step 2: Convert to fraction form
    999,832.50/1,379,766.80 = 540,945.66/x
  3. Step 3: Cross multiply
    999,832.50x = 1,379,766.80 × 540,945.66
  4. Step 4: Simplify right side
    999,832.50x = 746,378,859,567.36
  5. Step 5: Solve for x
    x = 746,378,859,567.36/999,832.50
  6. Step 6: Final answer
    x = 746,503.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.