Home / 889,428.96-1,227,402.36-481,523.28

Finding the Fourth Proportional to 889,428.96, 1,227,402.36 and 481,523.28

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Solution

The fourth proportional to 889,428.96, 1,227,402.36 and 481,523.28 is: 664,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,428.96 : 1,227,402.36 = 481,523.28 : x
  2. Step 2: Convert to fraction form
    889,428.96/1,227,402.36 = 481,523.28/x
  3. Step 3: Cross multiply
    889,428.96x = 1,227,402.36 × 481,523.28
  4. Step 4: Simplify right side
    889,428.96x = 591,022,810,266.94
  5. Step 5: Solve for x
    x = 591,022,810,266.94/889,428.96
  6. Step 6: Final answer
    x = 664,496.93

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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.