Home / 726,776.28-1,002,950.22-404,478.69

Finding the Fourth Proportional to 726,776.28, 1,002,950.22 and 404,478.69

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Solution

The fourth proportional to 726,776.28, 1,002,950.22 and 404,478.69 is: 558,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,776.28 : 1,002,950.22 = 404,478.69 : x
  2. Step 2: Convert to fraction form
    726,776.28/1,002,950.22 = 404,478.69/x
  3. Step 3: Cross multiply
    726,776.28x = 1,002,950.22 × 404,478.69
  4. Step 4: Simplify right side
    726,776.28x = 405,671,991,120.81
  5. Step 5: Solve for x
    x = 405,671,991,120.81/726,776.28
  6. Step 6: Final answer
    x = 558,180.01

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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.