Home / 726,763.14-1,002,933.14-404,549.35

Finding the Fourth Proportional to 726,763.14, 1,002,933.14 and 404,549.35

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Solution

The fourth proportional to 726,763.14, 1,002,933.14 and 404,549.35 is: 558,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,763.14 : 1,002,933.14 = 404,549.35 : x
  2. Step 2: Convert to fraction form
    726,763.14/1,002,933.14 = 404,549.35/x
  3. Step 3: Cross multiply
    726,763.14x = 1,002,933.14 × 404,549.35
  4. Step 4: Simplify right side
    726,763.14x = 405,735,949,880.46
  5. Step 5: Solve for x
    x = 405,735,949,880.46/726,763.14
  6. Step 6: Final answer
    x = 558,278.11

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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.