Home / 889,461.70-1,227,455.38-481,563.48

Finding the Fourth Proportional to 889,461.70, 1,227,455.38 and 481,563.48

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Solution

The fourth proportional to 889,461.70, 1,227,455.38 and 481,563.48 is: 664,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,461.70 : 1,227,455.38 = 481,563.48 : x
  2. Step 2: Convert to fraction form
    889,461.70/1,227,455.38 = 481,563.48/x
  3. Step 3: Cross multiply
    889,461.70x = 1,227,455.38 × 481,563.48
  4. Step 4: Simplify right side
    889,461.70x = 591,097,684,337.52
  5. Step 5: Solve for x
    x = 591,097,684,337.52/889,461.70
  6. Step 6: Final answer
    x = 664,556.65

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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.