Home / 628,334.85-867,110.97-341,855.17

Finding the Fourth Proportional to 628,334.85, 867,110.97 and 341,855.17

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Solution

The fourth proportional to 628,334.85, 867,110.97 and 341,855.17 is: 471,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,334.85 : 867,110.97 = 341,855.17 : x
  2. Step 2: Convert to fraction form
    628,334.85/867,110.97 = 341,855.17/x
  3. Step 3: Cross multiply
    628,334.85x = 867,110.97 × 341,855.17
  4. Step 4: Simplify right side
    628,334.85x = 296,426,367,172.39
  5. Step 5: Solve for x
    x = 296,426,367,172.39/628,334.85
  6. Step 6: Final answer
    x = 471,764.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.