Home / 628,324.11-867,077.73-341,837.64

Finding the Fourth Proportional to 628,324.11, 867,077.73 and 341,837.64

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Solution

The fourth proportional to 628,324.11, 867,077.73 and 341,837.64 is: 471,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,324.11 : 867,077.73 = 341,837.64 : x
  2. Step 2: Convert to fraction form
    628,324.11/867,077.73 = 341,837.64/x
  3. Step 3: Cross multiply
    628,324.11x = 867,077.73 × 341,837.64
  4. Step 4: Simplify right side
    628,324.11x = 296,399,804,919.76
  5. Step 5: Solve for x
    x = 296,399,804,919.76/628,324.11
  6. Step 6: Final answer
    x = 471,730.75

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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.