Home / 889,445.34-1,227,444.48-481,556.10

Finding the Fourth Proportional to 889,445.34, 1,227,444.48 and 481,556.10

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Solution

The fourth proportional to 889,445.34, 1,227,444.48 and 481,556.10 is: 664,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,445.34 : 1,227,444.48 = 481,556.10 : x
  2. Step 2: Convert to fraction form
    889,445.34/1,227,444.48 = 481,556.10/x
  3. Step 3: Cross multiply
    889,445.34x = 1,227,444.48 × 481,556.10
  4. Step 4: Simplify right side
    889,445.34x = 591,083,376,755.33
  5. Step 5: Solve for x
    x = 591,083,376,755.33/889,445.34
  6. Step 6: Final answer
    x = 664,552.78

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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.