Home / 726,792.98-1,002,964.31-404,503.02

Finding the Fourth Proportional to 726,792.98, 1,002,964.31 and 404,503.02

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Solution

The fourth proportional to 726,792.98, 1,002,964.31 and 404,503.02 is: 558,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,792.98 : 1,002,964.31 = 404,503.02 : x
  2. Step 2: Convert to fraction form
    726,792.98/1,002,964.31 = 404,503.02/x
  3. Step 3: Cross multiply
    726,792.98x = 1,002,964.31 × 404,503.02
  4. Step 4: Simplify right side
    726,792.98x = 405,702,091,841.59
  5. Step 5: Solve for x
    x = 405,702,091,841.59/726,792.98
  6. Step 6: Final answer
    x = 558,208.60

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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.