Home / 889,146.10-1,227,021.53-481,247.87

Finding the Fourth Proportional to 889,146.10, 1,227,021.53 and 481,247.87

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Solution

The fourth proportional to 889,146.10, 1,227,021.53 and 481,247.87 is: 664,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,146.10 : 1,227,021.53 = 481,247.87 : x
  2. Step 2: Convert to fraction form
    889,146.10/1,227,021.53 = 481,247.87/x
  3. Step 3: Cross multiply
    889,146.10x = 1,227,021.53 × 481,247.87
  4. Step 4: Simplify right side
    889,146.10x = 590,501,497,756.64
  5. Step 5: Solve for x
    x = 590,501,497,756.64/889,146.10
  6. Step 6: Final answer
    x = 664,122.01

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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.