Home / 889,266.72-1,227,188.80-481,367.32

Finding the Fourth Proportional to 889,266.72, 1,227,188.80 and 481,367.32

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Solution

The fourth proportional to 889,266.72, 1,227,188.80 and 481,367.32 is: 664,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,266.72 : 1,227,188.80 = 481,367.32 : x
  2. Step 2: Convert to fraction form
    889,266.72/1,227,188.80 = 481,367.32/x
  3. Step 3: Cross multiply
    889,266.72x = 1,227,188.80 × 481,367.32
  4. Step 4: Simplify right side
    889,266.72x = 590,728,583,790.02
  5. Step 5: Solve for x
    x = 590,728,583,790.02/889,266.72
  6. Step 6: Final answer
    x = 664,287.29

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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.