Home / 726,899.98-1,003,099.64-404,601.80

Finding the Fourth Proportional to 726,899.98, 1,003,099.64 and 404,601.80

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Solution

The fourth proportional to 726,899.98, 1,003,099.64 and 404,601.80 is: 558,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,899.98 : 1,003,099.64 = 404,601.80 : x
  2. Step 2: Convert to fraction form
    726,899.98/1,003,099.64 = 404,601.80/x
  3. Step 3: Cross multiply
    726,899.98x = 1,003,099.64 × 404,601.80
  4. Step 4: Simplify right side
    726,899.98x = 405,855,919,923.35
  5. Step 5: Solve for x
    x = 405,855,919,923.35/726,899.98
  6. Step 6: Final answer
    x = 558,338.05

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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.