Home / 726,742.50-1,002,894.85-404,452.51

Finding the Fourth Proportional to 726,742.50, 1,002,894.85 and 404,452.51

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Solution

The fourth proportional to 726,742.50, 1,002,894.85 and 404,452.51 is: 558,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,742.50 : 1,002,894.85 = 404,452.51 : x
  2. Step 2: Convert to fraction form
    726,742.50/1,002,894.85 = 404,452.51/x
  3. Step 3: Cross multiply
    726,742.50x = 1,002,894.85 × 404,452.51
  4. Step 4: Simplify right side
    726,742.50x = 405,623,339,348.57
  5. Step 5: Solve for x
    x = 405,623,339,348.57/726,742.50
  6. Step 6: Final answer
    x = 558,139.01

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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.