Home / 628,352.40-867,130.14-341,874.60

Finding the Fourth Proportional to 628,352.40, 867,130.14 and 341,874.60

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Solution

The fourth proportional to 628,352.40, 867,130.14 and 341,874.60 is: 471,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,352.40 : 867,130.14 = 341,874.60 : x
  2. Step 2: Convert to fraction form
    628,352.40/867,130.14 = 341,874.60/x
  3. Step 3: Cross multiply
    628,352.40x = 867,130.14 × 341,874.60
  4. Step 4: Simplify right side
    628,352.40x = 296,449,769,760.44
  5. Step 5: Solve for x
    x = 296,449,769,760.44/628,352.40
  6. Step 6: Final answer
    x = 471,789.03

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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.