Home / 889,453.90-1,227,431.55-481,552.43

Finding the Fourth Proportional to 889,453.90, 1,227,431.55 and 481,552.43

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Solution

The fourth proportional to 889,453.90, 1,227,431.55 and 481,552.43 is: 664,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,453.90 : 1,227,431.55 = 481,552.43 : x
  2. Step 2: Convert to fraction form
    889,453.90/1,227,431.55 = 481,552.43/x
  3. Step 3: Cross multiply
    889,453.90x = 1,227,431.55 × 481,552.43
  4. Step 4: Simplify right side
    889,453.90x = 591,072,645,561.17
  5. Step 5: Solve for x
    x = 591,072,645,561.17/889,453.90
  6. Step 6: Final answer
    x = 664,534.32

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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.