Home / 628,237.44-941,999.13-428,799.24

Finding the Fourth Proportional to 628,237.44, 941,999.13 and 428,799.24

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Solution

The fourth proportional to 628,237.44, 941,999.13 and 428,799.24 is: 642,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,237.44 : 941,999.13 = 428,799.24 : x
  2. Step 2: Convert to fraction form
    628,237.44/941,999.13 = 428,799.24/x
  3. Step 3: Cross multiply
    628,237.44x = 941,999.13 × 428,799.24
  4. Step 4: Simplify right side
    628,237.44x = 403,928,511,024.66
  5. Step 5: Solve for x
    x = 403,928,511,024.66/628,237.44
  6. Step 6: Final answer
    x = 642,955.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.