Home / 901,128.24-1,351,823.58-270,091.26

Finding the Fourth Proportional to 901,128.24, 1,351,823.58 and 270,091.26

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Solution

The fourth proportional to 901,128.24, 1,351,823.58 and 270,091.26 is: 405,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,128.24 : 1,351,823.58 = 270,091.26 : x
  2. Step 2: Convert to fraction form
    901,128.24/1,351,823.58 = 270,091.26/x
  3. Step 3: Cross multiply
    901,128.24x = 1,351,823.58 × 270,091.26
  4. Step 4: Simplify right side
    901,128.24x = 365,115,734,019.91
  5. Step 5: Solve for x
    x = 365,115,734,019.91/901,128.24
  6. Step 6: Final answer
    x = 405,176.22

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.