Home / 572,308.23-789,785.79-342,998.64

Finding the Fourth Proportional to 572,308.23, 789,785.79 and 342,998.64

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Solution

The fourth proportional to 572,308.23, 789,785.79 and 342,998.64 is: 473,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,308.23 : 789,785.79 = 342,998.64 : x
  2. Step 2: Convert to fraction form
    572,308.23/789,785.79 = 342,998.64/x
  3. Step 3: Cross multiply
    572,308.23x = 789,785.79 × 342,998.64
  4. Step 4: Simplify right side
    572,308.23x = 270,895,451,861.33
  5. Step 5: Solve for x
    x = 270,895,451,861.33/572,308.23
  6. Step 6: Final answer
    x = 473,338.38

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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.