Home / 889,333.76-1,227,279.19-481,435.49

Finding the Fourth Proportional to 889,333.76, 1,227,279.19 and 481,435.49

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Solution

The fourth proportional to 889,333.76, 1,227,279.19 and 481,435.49 is: 664,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,333.76 : 1,227,279.19 = 481,435.49 : x
  2. Step 2: Convert to fraction form
    889,333.76/1,227,279.19 = 481,435.49/x
  3. Step 3: Cross multiply
    889,333.76x = 1,227,279.19 × 481,435.49
  4. Step 4: Simplify right side
    889,333.76x = 590,855,758,204.45
  5. Step 5: Solve for x
    x = 590,855,758,204.45/889,333.76
  6. Step 6: Final answer
    x = 664,380.22

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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.