Home / 889,431.02-1,227,415.32-481,532.96

Finding the Fourth Proportional to 889,431.02, 1,227,415.32 and 481,532.96

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Solution

The fourth proportional to 889,431.02, 1,227,415.32 and 481,532.96 is: 664,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,431.02 : 1,227,415.32 = 481,532.96 : x
  2. Step 2: Convert to fraction form
    889,431.02/1,227,415.32 = 481,532.96/x
  3. Step 3: Cross multiply
    889,431.02x = 1,227,415.32 × 481,532.96
  4. Step 4: Simplify right side
    889,431.02x = 591,040,932,188.95
  5. Step 5: Solve for x
    x = 591,040,932,188.95/889,431.02
  6. Step 6: Final answer
    x = 664,515.76

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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.