Home / 889,452.78-1,227,445.62-481,554.92

Finding the Fourth Proportional to 889,452.78, 1,227,445.62 and 481,554.92

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Solution

The fourth proportional to 889,452.78, 1,227,445.62 and 481,554.92 is: 664,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,452.78 : 1,227,445.62 = 481,554.92 : x
  2. Step 2: Convert to fraction form
    889,452.78/1,227,445.62 = 481,554.92/x
  3. Step 3: Cross multiply
    889,452.78x = 1,227,445.62 × 481,554.92
  4. Step 4: Simplify right side
    889,452.78x = 591,082,477,343.45
  5. Step 5: Solve for x
    x = 591,082,477,343.45/889,452.78
  6. Step 6: Final answer
    x = 664,546.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.