Home / 579,303.27-799,485.85-321,261.03

Finding the Fourth Proportional to 579,303.27, 799,485.85 and 321,261.03

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Solution

The fourth proportional to 579,303.27, 799,485.85 and 321,261.03 is: 443,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,303.27 : 799,485.85 = 321,261.03 : x
  2. Step 2: Convert to fraction form
    579,303.27/799,485.85 = 321,261.03/x
  3. Step 3: Cross multiply
    579,303.27x = 799,485.85 × 321,261.03
  4. Step 4: Simplify right side
    579,303.27x = 256,843,647,641.43
  5. Step 5: Solve for x
    x = 256,843,647,641.43/579,303.27
  6. Step 6: Final answer
    x = 443,366.47

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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.