Home / 724,004.46-999,113.31-401,708.97

Finding the Fourth Proportional to 724,004.46, 999,113.31 and 401,708.97

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Solution

The fourth proportional to 724,004.46, 999,113.31 and 401,708.97 is: 554,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,004.46 : 999,113.31 = 401,708.97 : x
  2. Step 2: Convert to fraction form
    724,004.46/999,113.31 = 401,708.97/x
  3. Step 3: Cross multiply
    724,004.46x = 999,113.31 × 401,708.97
  4. Step 4: Simplify right side
    724,004.46x = 401,352,778,673.39
  5. Step 5: Solve for x
    x = 401,352,778,673.39/724,004.46
  6. Step 6: Final answer
    x = 554,351.25

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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.