Home / 628,375.92-867,132.80-341,897.12

Finding the Fourth Proportional to 628,375.92, 867,132.80 and 341,897.12

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Solution

The fourth proportional to 628,375.92, 867,132.80 and 341,897.12 is: 471,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,375.92 : 867,132.80 = 341,897.12 : x
  2. Step 2: Convert to fraction form
    628,375.92/867,132.80 = 341,897.12/x
  3. Step 3: Cross multiply
    628,375.92x = 867,132.80 × 341,897.12
  4. Step 4: Simplify right side
    628,375.92x = 296,470,206,977.54
  5. Step 5: Solve for x
    x = 296,470,206,977.54/628,375.92
  6. Step 6: Final answer
    x = 471,803.90

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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.