Home / 726,473.36-1,002,508.01-399,755.81

Finding the Fourth Proportional to 726,473.36, 1,002,508.01 and 399,755.81

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Solution

The fourth proportional to 726,473.36, 1,002,508.01 and 399,755.81 is: 551,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,473.36 : 1,002,508.01 = 399,755.81 : x
  2. Step 2: Convert to fraction form
    726,473.36/1,002,508.01 = 399,755.81/x
  3. Step 3: Cross multiply
    726,473.36x = 1,002,508.01 × 399,755.81
  4. Step 4: Simplify right side
    726,473.36x = 400,758,401,569.04
  5. Step 5: Solve for x
    x = 400,758,401,569.04/726,473.36
  6. Step 6: Final answer
    x = 551,649.14

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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.