Home / 726,786.60-1,002,955.50-404,496.66

Finding the Fourth Proportional to 726,786.60, 1,002,955.50 and 404,496.66

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Solution

The fourth proportional to 726,786.60, 1,002,955.50 and 404,496.66 is: 558,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,786.60 : 1,002,955.50 = 404,496.66 : x
  2. Step 2: Convert to fraction form
    726,786.60/1,002,955.50 = 404,496.66/x
  3. Step 3: Cross multiply
    726,786.60x = 1,002,955.50 × 404,496.66
  4. Step 4: Simplify right side
    726,786.60x = 405,692,149,878.63
  5. Step 5: Solve for x
    x = 405,692,149,878.63/726,786.60
  6. Step 6: Final answer
    x = 558,199.82

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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.