Home / 628,734.12-942,863.25-268,890.00

Finding the Fourth Proportional to 628,734.12, 942,863.25 and 268,890.00

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Solution

The fourth proportional to 628,734.12, 942,863.25 and 268,890.00 is: 403,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,734.12 : 942,863.25 = 268,890.00 : x
  2. Step 2: Convert to fraction form
    628,734.12/942,863.25 = 268,890.00/x
  3. Step 3: Cross multiply
    628,734.12x = 942,863.25 × 268,890.00
  4. Step 4: Simplify right side
    628,734.12x = 253,526,496,765.10
  5. Step 5: Solve for x
    x = 253,526,496,765.10/628,734.12
  6. Step 6: Final answer
    x = 403,233.24

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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.