Home / 727,216.67-1,003,604.58-400,529.61

Finding the Fourth Proportional to 727,216.67, 1,003,604.58 and 400,529.61

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Solution

The fourth proportional to 727,216.67, 1,003,604.58 and 400,529.61 is: 552,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,216.67 : 1,003,604.58 = 400,529.61 : x
  2. Step 2: Convert to fraction form
    727,216.67/1,003,604.58 = 400,529.61/x
  3. Step 3: Cross multiply
    727,216.67x = 1,003,604.58 × 400,529.61
  4. Step 4: Simplify right side
    727,216.67x = 401,973,351,021.61
  5. Step 5: Solve for x
    x = 401,973,351,021.61/727,216.67
  6. Step 6: Final answer
    x = 552,755.97

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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.