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Finding the Fourth Proportional to 599,469.20, 899,203.80 and 571,821.20

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Solution

The fourth proportional to 599,469.20, 899,203.80 and 571,821.20 is: 857,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,469.20 : 899,203.80 = 571,821.20 : x
  2. Step 2: Convert to fraction form
    599,469.20/899,203.80 = 571,821.20/x
  3. Step 3: Cross multiply
    599,469.20x = 899,203.80 × 571,821.20
  4. Step 4: Simplify right side
    599,469.20x = 514,183,795,960.56
  5. Step 5: Solve for x
    x = 514,183,795,960.56/599,469.20
  6. Step 6: Final answer
    x = 857,731.80

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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.