Home / 566,723.27-782,018.65-321,629.98

Finding the Fourth Proportional to 566,723.27, 782,018.65 and 321,629.98

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Solution

The fourth proportional to 566,723.27, 782,018.65 and 321,629.98 is: 443,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,723.27 : 782,018.65 = 321,629.98 : x
  2. Step 2: Convert to fraction form
    566,723.27/782,018.65 = 321,629.98/x
  3. Step 3: Cross multiply
    566,723.27x = 782,018.65 × 321,629.98
  4. Step 4: Simplify right side
    566,723.27x = 251,520,642,759.13
  5. Step 5: Solve for x
    x = 251,520,642,759.13/566,723.27
  6. Step 6: Final answer
    x = 443,815.63

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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.