Home / 555,826.96-766,745.39-338,102.20

Finding the Fourth Proportional to 555,826.96, 766,745.39 and 338,102.20

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Solution

The fourth proportional to 555,826.96, 766,745.39 and 338,102.20 is: 466,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,826.96 : 766,745.39 = 338,102.20 : x
  2. Step 2: Convert to fraction form
    555,826.96/766,745.39 = 338,102.20/x
  3. Step 3: Cross multiply
    555,826.96x = 766,745.39 × 338,102.20
  4. Step 4: Simplify right side
    555,826.96x = 259,238,305,002.55
  5. Step 5: Solve for x
    x = 259,238,305,002.55/555,826.96
  6. Step 6: Final answer
    x = 466,401.10

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1.5x scale

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.