Home / 398,527.07-597,919.85-238,578.09

Finding the Fourth Proportional to 398,527.07, 597,919.85 and 238,578.09

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Solution

The fourth proportional to 398,527.07, 597,919.85 and 238,578.09 is: 357,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,527.07 : 597,919.85 = 238,578.09 : x
  2. Step 2: Convert to fraction form
    398,527.07/597,919.85 = 238,578.09/x
  3. Step 3: Cross multiply
    398,527.07x = 597,919.85 × 238,578.09
  4. Step 4: Simplify right side
    398,527.07x = 142,650,574,593.20
  5. Step 5: Solve for x
    x = 142,650,574,593.20/398,527.07
  6. Step 6: Final answer
    x = 357,944.51

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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.