Home / 331,354.30-497,031.45-294,612.70

Finding the Fourth Proportional to 331,354.30, 497,031.45 and 294,612.70

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Solution

The fourth proportional to 331,354.30, 497,031.45 and 294,612.70 is: 441,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,354.30 : 497,031.45 = 294,612.70 : x
  2. Step 2: Convert to fraction form
    331,354.30/497,031.45 = 294,612.70/x
  3. Step 3: Cross multiply
    331,354.30x = 497,031.45 × 294,612.70
  4. Step 4: Simplify right side
    331,354.30x = 146,431,777,469.42
  5. Step 5: Solve for x
    x = 146,431,777,469.42/331,354.30
  6. Step 6: Final answer
    x = 441,919.05

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1.5x scale

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.