Home / 397,432.47-597,353.09-262,955.22

Finding the Fourth Proportional to 397,432.47, 597,353.09 and 262,955.22

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Solution

The fourth proportional to 397,432.47, 597,353.09 and 262,955.22 is: 395,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,432.47 : 597,353.09 = 262,955.22 : x
  2. Step 2: Convert to fraction form
    397,432.47/597,353.09 = 262,955.22/x
  3. Step 3: Cross multiply
    397,432.47x = 597,353.09 × 262,955.22
  4. Step 4: Simplify right side
    397,432.47x = 157,077,113,198.63
  5. Step 5: Solve for x
    x = 157,077,113,198.63/397,432.47
  6. Step 6: Final answer
    x = 395,229.69

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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.