Home / 726,701.79-1,002,834.48-404,411.43

Finding the Fourth Proportional to 726,701.79, 1,002,834.48 and 404,411.43

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Solution

The fourth proportional to 726,701.79, 1,002,834.48 and 404,411.43 is: 558,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,701.79 : 1,002,834.48 = 404,411.43 : x
  2. Step 2: Convert to fraction form
    726,701.79/1,002,834.48 = 404,411.43/x
  3. Step 3: Cross multiply
    726,701.79x = 1,002,834.48 × 404,411.43
  4. Step 4: Simplify right side
    726,701.79x = 405,557,726,110.11
  5. Step 5: Solve for x
    x = 405,557,726,110.11/726,701.79
  6. Step 6: Final answer
    x = 558,079.99

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1.5x scale

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.