Home / 396,599.02-595,996.45-386,985.06

Finding the Fourth Proportional to 396,599.02, 595,996.45 and 386,985.06

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Solution

The fourth proportional to 396,599.02, 595,996.45 and 386,985.06 is: 581,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,599.02 : 595,996.45 = 386,985.06 : x
  2. Step 2: Convert to fraction form
    396,599.02/595,996.45 = 386,985.06/x
  3. Step 3: Cross multiply
    396,599.02x = 595,996.45 × 386,985.06
  4. Step 4: Simplify right side
    396,599.02x = 230,641,720,995.57
  5. Step 5: Solve for x
    x = 230,641,720,995.57/396,599.02
  6. Step 6: Final answer
    x = 581,548.90

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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.