Home / 579,327.19-799,518.60-321,229.80

Finding the Fourth Proportional to 579,327.19, 799,518.60 and 321,229.80

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Solution

The fourth proportional to 579,327.19, 799,518.60 and 321,229.80 is: 443,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,327.19 : 799,518.60 = 321,229.80 : x
  2. Step 2: Convert to fraction form
    579,327.19/799,518.60 = 321,229.80/x
  3. Step 3: Cross multiply
    579,327.19x = 799,518.60 × 321,229.80
  4. Step 4: Simplify right side
    579,327.19x = 256,829,199,974.28
  5. Step 5: Solve for x
    x = 256,829,199,974.28/579,327.19
  6. Step 6: Final answer
    x = 443,323.23

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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.