Home / 566,682.42-781,845.75-321,627.18

Finding the Fourth Proportional to 566,682.42, 781,845.75 and 321,627.18

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Solution

The fourth proportional to 566,682.42, 781,845.75 and 321,627.18 is: 443,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,682.42 : 781,845.75 = 321,627.18 : x
  2. Step 2: Convert to fraction form
    566,682.42/781,845.75 = 321,627.18/x
  3. Step 3: Cross multiply
    566,682.42x = 781,845.75 × 321,627.18
  4. Step 4: Simplify right side
    566,682.42x = 251,462,843,767.49
  5. Step 5: Solve for x
    x = 251,462,843,767.49/566,682.42
  6. Step 6: Final answer
    x = 443,745.62

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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.