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Finding the Fourth Proportional to 548,614.26, 757,150.47 and 306,958.05

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Solution

The fourth proportional to 548,614.26, 757,150.47 and 306,958.05 is: 423,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,614.26 : 757,150.47 = 306,958.05 : x
  2. Step 2: Convert to fraction form
    548,614.26/757,150.47 = 306,958.05/x
  3. Step 3: Cross multiply
    548,614.26x = 757,150.47 × 306,958.05
  4. Step 4: Simplify right side
    548,614.26x = 232,413,431,827.78
  5. Step 5: Solve for x
    x = 232,413,431,827.78/548,614.26
  6. Step 6: Final answer
    x = 423,637.24

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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.