Home / 628,119.16-941,608.62-228,477.46

Finding the Fourth Proportional to 628,119.16, 941,608.62 and 228,477.46

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Solution

The fourth proportional to 628,119.16, 941,608.62 and 228,477.46 is: 342,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,119.16 : 941,608.62 = 228,477.46 : x
  2. Step 2: Convert to fraction form
    628,119.16/941,608.62 = 228,477.46/x
  3. Step 3: Cross multiply
    628,119.16x = 941,608.62 × 228,477.46
  4. Step 4: Simplify right side
    628,119.16x = 215,136,345,811.71
  5. Step 5: Solve for x
    x = 215,136,345,811.71/628,119.16
  6. Step 6: Final answer
    x = 342,508.81

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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.