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Finding the Fourth Proportional to 579,071, 799,150.78 and 324,504.20

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Solution

The fourth proportional to 579,071, 799,150.78 and 324,504.20 is: 447,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,071 : 799,150.78 = 324,504.20 : x
  2. Step 2: Convert to fraction form
    579,071/799,150.78 = 324,504.20/x
  3. Step 3: Cross multiply
    579,071x = 799,150.78 × 324,504.20
  4. Step 4: Simplify right side
    579,071x = 259,327,784,543.28
  5. Step 5: Solve for x
    x = 259,327,784,543.28/579,071
  6. Step 6: Final answer
    x = 447,834.18

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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.