Home / 726,163.69-1,002,029.11-403,821.67

Finding the Fourth Proportional to 726,163.69, 1,002,029.11 and 403,821.67

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Solution

The fourth proportional to 726,163.69, 1,002,029.11 and 403,821.67 is: 557,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,163.69 : 1,002,029.11 = 403,821.67 : x
  2. Step 2: Convert to fraction form
    726,163.69/1,002,029.11 = 403,821.67/x
  3. Step 3: Cross multiply
    726,163.69x = 1,002,029.11 × 403,821.67
  4. Step 4: Simplify right side
    726,163.69x = 404,641,068,588.81
  5. Step 5: Solve for x
    x = 404,641,068,588.81/726,163.69
  6. Step 6: Final answer
    x = 557,231.21

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Double scale
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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.