Home / 379,851.92-523,848.84-326,119.76

Finding the Fourth Proportional to 379,851.92, 523,848.84 and 326,119.76

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Solution

The fourth proportional to 379,851.92, 523,848.84 and 326,119.76 is: 449,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,851.92 : 523,848.84 = 326,119.76 : x
  2. Step 2: Convert to fraction form
    379,851.92/523,848.84 = 326,119.76/x
  3. Step 3: Cross multiply
    379,851.92x = 523,848.84 × 326,119.76
  4. Step 4: Simplify right side
    379,851.92x = 170,837,457,977.08
  5. Step 5: Solve for x
    x = 170,837,457,977.08/379,851.92
  6. Step 6: Final answer
    x = 449,747.52

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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.