Home / 579,454.71-799,649.37-321,350.10

Finding the Fourth Proportional to 579,454.71, 799,649.37 and 321,350.10

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Solution

The fourth proportional to 579,454.71, 799,649.37 and 321,350.10 is: 443,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,454.71 : 799,649.37 = 321,350.10 : x
  2. Step 2: Convert to fraction form
    579,454.71/799,649.37 = 321,350.10/x
  3. Step 3: Cross multiply
    579,454.71x = 799,649.37 × 321,350.10
  4. Step 4: Simplify right side
    579,454.71x = 256,967,405,014.44
  5. Step 5: Solve for x
    x = 256,967,405,014.44/579,454.71
  6. Step 6: Final answer
    x = 443,464.18

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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.