Home / 901,003.26-1,243,138.68-528,464.22

Finding the Fourth Proportional to 901,003.26, 1,243,138.68 and 528,464.22

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Solution

The fourth proportional to 901,003.26, 1,243,138.68 and 528,464.22 is: 729,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,003.26 : 1,243,138.68 = 528,464.22 : x
  2. Step 2: Convert to fraction form
    901,003.26/1,243,138.68 = 528,464.22/x
  3. Step 3: Cross multiply
    901,003.26x = 1,243,138.68 × 528,464.22
  4. Step 4: Simplify right side
    901,003.26x = 656,954,312,878.03
  5. Step 5: Solve for x
    x = 656,954,312,878.03/901,003.26
  6. Step 6: Final answer
    x = 729,136.44

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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.