Home / 396,385.02-546,782.57-252,983.43

Finding the Fourth Proportional to 396,385.02, 546,782.57 and 252,983.43

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Solution

The fourth proportional to 396,385.02, 546,782.57 and 252,983.43 is: 348,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,385.02 : 546,782.57 = 252,983.43 : x
  2. Step 2: Convert to fraction form
    396,385.02/546,782.57 = 252,983.43/x
  3. Step 3: Cross multiply
    396,385.02x = 546,782.57 × 252,983.43
  4. Step 4: Simplify right side
    396,385.02x = 138,326,928,757.90
  5. Step 5: Solve for x
    x = 138,326,928,757.90/396,385.02
  6. Step 6: Final answer
    x = 348,971.13

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1.5x scale

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.