Home / 889,447.28-1,227,428.70-481,538.66

Finding the Fourth Proportional to 889,447.28, 1,227,428.70 and 481,538.66

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Solution

The fourth proportional to 889,447.28, 1,227,428.70 and 481,538.66 is: 664,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,447.28 : 1,227,428.70 = 481,538.66 : x
  2. Step 2: Convert to fraction form
    889,447.28/1,227,428.70 = 481,538.66/x
  3. Step 3: Cross multiply
    889,447.28x = 1,227,428.70 × 481,538.66
  4. Step 4: Simplify right side
    889,447.28x = 591,054,371,443.54
  5. Step 5: Solve for x
    x = 591,054,371,443.54/889,447.28
  6. Step 6: Final answer
    x = 664,518.72

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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.