Home / 726,941.80-1,003,209.24-404,631.40

Finding the Fourth Proportional to 726,941.80, 1,003,209.24 and 404,631.40

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Solution

The fourth proportional to 726,941.80, 1,003,209.24 and 404,631.40 is: 558,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,941.80 : 1,003,209.24 = 404,631.40 : x
  2. Step 2: Convert to fraction form
    726,941.80/1,003,209.24 = 404,631.40/x
  3. Step 3: Cross multiply
    726,941.80x = 1,003,209.24 × 404,631.40
  4. Step 4: Simplify right side
    726,941.80x = 405,929,959,274.14
  5. Step 5: Solve for x
    x = 405,929,959,274.14/726,941.80
  6. Step 6: Final answer
    x = 558,407.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.