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Finding the Fourth Proportional to 538,735.52, 743,420.76 and 297,004.88

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Solution

The fourth proportional to 538,735.52, 743,420.76 and 297,004.88 is: 409,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,735.52 : 743,420.76 = 297,004.88 : x
  2. Step 2: Convert to fraction form
    538,735.52/743,420.76 = 297,004.88/x
  3. Step 3: Cross multiply
    538,735.52x = 743,420.76 × 297,004.88
  4. Step 4: Simplify right side
    538,735.52x = 220,799,593,613.31
  5. Step 5: Solve for x
    x = 220,799,593,613.31/538,735.52
  6. Step 6: Final answer
    x = 409,847.85

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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.