Home / 396,682.18-547,518.63-243,757.42

Finding the Fourth Proportional to 396,682.18, 547,518.63 and 243,757.42

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Solution

The fourth proportional to 396,682.18, 547,518.63 and 243,757.42 is: 336,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,682.18 : 547,518.63 = 243,757.42 : x
  2. Step 2: Convert to fraction form
    396,682.18/547,518.63 = 243,757.42/x
  3. Step 3: Cross multiply
    396,682.18x = 547,518.63 × 243,757.42
  4. Step 4: Simplify right side
    396,682.18x = 133,461,728,650.74
  5. Step 5: Solve for x
    x = 133,461,728,650.74/396,682.18
  6. Step 6: Final answer
    x = 336,444.98

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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.