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Finding the Fourth Proportional to 539,391.72, 809,175.33 and 202,458.84

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Solution

The fourth proportional to 539,391.72, 809,175.33 and 202,458.84 is: 303,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,391.72 : 809,175.33 = 202,458.84 : x
  2. Step 2: Convert to fraction form
    539,391.72/809,175.33 = 202,458.84/x
  3. Step 3: Cross multiply
    539,391.72x = 809,175.33 × 202,458.84
  4. Step 4: Simplify right side
    539,391.72x = 163,824,698,668.42
  5. Step 5: Solve for x
    x = 163,824,698,668.42/539,391.72
  6. Step 6: Final answer
    x = 303,721.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.