Home / 724,032.88-999,172.26-401,772.96

Finding the Fourth Proportional to 724,032.88, 999,172.26 and 401,772.96

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Solution

The fourth proportional to 724,032.88, 999,172.26 and 401,772.96 is: 554,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,032.88 : 999,172.26 = 401,772.96 : x
  2. Step 2: Convert to fraction form
    724,032.88/999,172.26 = 401,772.96/x
  3. Step 3: Cross multiply
    724,032.88x = 999,172.26 × 401,772.96
  4. Step 4: Simplify right side
    724,032.88x = 401,440,396,450.09
  5. Step 5: Solve for x
    x = 401,440,396,450.09/724,032.88
  6. Step 6: Final answer
    x = 554,450.51

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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.