Home / 628,375.77-942,421.64-179,087.00

Finding the Fourth Proportional to 628,375.77, 942,421.64 and 179,087.00

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Solution

The fourth proportional to 628,375.77, 942,421.64 and 179,087.00 is: 268,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,375.77 : 942,421.64 = 179,087.00 : x
  2. Step 2: Convert to fraction form
    628,375.77/942,421.64 = 179,087.00/x
  3. Step 3: Cross multiply
    628,375.77x = 942,421.64 × 179,087.00
  4. Step 4: Simplify right side
    628,375.77x = 168,775,458,635.14
  5. Step 5: Solve for x
    x = 168,775,458,635.14/628,375.77
  6. Step 6: Final answer
    x = 268,590.02

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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.