Home / 628,363.46-942,428.10-201,906.66

Finding the Fourth Proportional to 628,363.46, 942,428.10 and 201,906.66

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Solution

The fourth proportional to 628,363.46, 942,428.10 and 201,906.66 is: 302,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,363.46 : 942,428.10 = 201,906.66 : x
  2. Step 2: Convert to fraction form
    628,363.46/942,428.10 = 201,906.66/x
  3. Step 3: Cross multiply
    628,363.46x = 942,428.10 × 201,906.66
  4. Step 4: Simplify right side
    628,363.46x = 190,282,509,961.15
  5. Step 5: Solve for x
    x = 190,282,509,961.15/628,363.46
  6. Step 6: Final answer
    x = 302,822.37

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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.