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Finding the Fourth Proportional to 649,993.39, 975,330.09 and 266,027.26

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Solution

The fourth proportional to 649,993.39, 975,330.09 and 266,027.26 is: 399,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,993.39 : 975,330.09 = 266,027.26 : x
  2. Step 2: Convert to fraction form
    649,993.39/975,330.09 = 266,027.26/x
  3. Step 3: Cross multiply
    649,993.39x = 975,330.09 × 266,027.26
  4. Step 4: Simplify right side
    649,993.39x = 259,464,391,438.25
  5. Step 5: Solve for x
    x = 259,464,391,438.25/649,993.39
  6. Step 6: Final answer
    x = 399,180.05

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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.