Home / 628,486.34-942,738.30-179,207.39

Finding the Fourth Proportional to 628,486.34, 942,738.30 and 179,207.39

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Solution

The fourth proportional to 628,486.34, 942,738.30 and 179,207.39 is: 268,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,486.34 : 942,738.30 = 179,207.39 : x
  2. Step 2: Convert to fraction form
    628,486.34/942,738.30 = 179,207.39/x
  3. Step 3: Cross multiply
    628,486.34x = 942,738.30 × 179,207.39
  4. Step 4: Simplify right side
    628,486.34x = 168,945,672,552.88
  5. Step 5: Solve for x
    x = 168,945,672,552.88/628,486.34
  6. Step 6: Final answer
    x = 268,813.60

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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.