Home / 397,984.59-597,015.09-113,685.39

Finding the Fourth Proportional to 397,984.59, 597,015.09 and 113,685.39

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Solution

The fourth proportional to 397,984.59, 597,015.09 and 113,685.39 is: 170,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,984.59 : 597,015.09 = 113,685.39 : x
  2. Step 2: Convert to fraction form
    397,984.59/597,015.09 = 113,685.39/x
  3. Step 3: Cross multiply
    397,984.59x = 597,015.09 × 113,685.39
  4. Step 4: Simplify right side
    397,984.59x = 67,871,893,342.54
  5. Step 5: Solve for x
    x = 67,871,893,342.54/397,984.59
  6. Step 6: Final answer
    x = 170,539.00

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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.