Home / 889,316.22-1,227,251.88-481,418.86

Finding the Fourth Proportional to 889,316.22, 1,227,251.88 and 481,418.86

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Solution

The fourth proportional to 889,316.22, 1,227,251.88 and 481,418.86 is: 664,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,316.22 : 1,227,251.88 = 481,418.86 : x
  2. Step 2: Convert to fraction form
    889,316.22/1,227,251.88 = 481,418.86/x
  3. Step 3: Cross multiply
    889,316.22x = 1,227,251.88 × 481,418.86
  4. Step 4: Simplify right side
    889,316.22x = 590,822,201,002.46
  5. Step 5: Solve for x
    x = 590,822,201,002.46/889,316.22
  6. Step 6: Final answer
    x = 664,355.59

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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.