Home / 396,386.02-546,783.94-252,984.43

Finding the Fourth Proportional to 396,386.02, 546,783.94 and 252,984.43

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Solution

The fourth proportional to 396,386.02, 546,783.94 and 252,984.43 is: 348,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,386.02 : 546,783.94 = 252,984.43 : x
  2. Step 2: Convert to fraction form
    396,386.02/546,783.94 = 252,984.43/x
  3. Step 3: Cross multiply
    396,386.02x = 546,783.94 × 252,984.43
  4. Step 4: Simplify right side
    396,386.02x = 138,327,823,394.05
  5. Step 5: Solve for x
    x = 138,327,823,394.05/396,386.02
  6. Step 6: Final answer
    x = 348,972.51

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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.