Home / 628,353.90-867,132.18-341,876.16

Finding the Fourth Proportional to 628,353.90, 867,132.18 and 341,876.16

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Solution

The fourth proportional to 628,353.90, 867,132.18 and 341,876.16 is: 471,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,353.90 : 867,132.18 = 341,876.16 : x
  2. Step 2: Convert to fraction form
    628,353.90/867,132.18 = 341,876.16/x
  3. Step 3: Cross multiply
    628,353.90x = 867,132.18 × 341,876.16
  4. Step 4: Simplify right side
    628,353.90x = 296,451,819,910.83
  5. Step 5: Solve for x
    x = 296,451,819,910.83/628,353.90
  6. Step 6: Final answer
    x = 471,791.17

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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.