Home / 628,335.90-867,107.34-341,858.07

Finding the Fourth Proportional to 628,335.90, 867,107.34 and 341,858.07

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Solution

The fourth proportional to 628,335.90, 867,107.34 and 341,858.07 is: 471,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,335.90 : 867,107.34 = 341,858.07 : x
  2. Step 2: Convert to fraction form
    628,335.90/867,107.34 = 341,858.07/x
  3. Step 3: Cross multiply
    628,335.90x = 867,107.34 × 341,858.07
  4. Step 4: Simplify right side
    628,335.90x = 296,427,641,735.23
  5. Step 5: Solve for x
    x = 296,427,641,735.23/628,335.90
  6. Step 6: Final answer
    x = 471,766.20

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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.