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Finding the Fourth Proportional to 433,616.82, 597,993.66 and 372,342.20

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Solution

The fourth proportional to 433,616.82, 597,993.66 and 372,342.20 is: 513,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,616.82 : 597,993.66 = 372,342.20 : x
  2. Step 2: Convert to fraction form
    433,616.82/597,993.66 = 372,342.20/x
  3. Step 3: Cross multiply
    433,616.82x = 597,993.66 × 372,342.20
  4. Step 4: Simplify right side
    433,616.82x = 222,658,274,950.45
  5. Step 5: Solve for x
    x = 222,658,274,950.45/433,616.82
  6. Step 6: Final answer
    x = 513,490.86

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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.