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Finding the Fourth Proportional to 552,198, 827,798.72 and 383,797.63

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Solution

The fourth proportional to 552,198, 827,798.72 and 383,797.63 is: 575,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,198 : 827,798.72 = 383,797.63 : x
  2. Step 2: Convert to fraction form
    552,198/827,798.72 = 383,797.63/x
  3. Step 3: Cross multiply
    552,198x = 827,798.72 × 383,797.63
  4. Step 4: Simplify right side
    552,198x = 317,707,186,853.03
  5. Step 5: Solve for x
    x = 317,707,186,853.03/552,198
  6. Step 6: Final answer
    x = 575,350.12

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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.