Home / 319,660.02-479,490.30-82,982.88

Finding the Fourth Proportional to 319,660.02, 479,490.30 and 82,982.88

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Solution

The fourth proportional to 319,660.02, 479,490.30 and 82,982.88 is: 124,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,660.02 : 479,490.30 = 82,982.88 : x
  2. Step 2: Convert to fraction form
    319,660.02/479,490.30 = 82,982.88/x
  3. Step 3: Cross multiply
    319,660.02x = 479,490.30 × 82,982.88
  4. Step 4: Simplify right side
    319,660.02x = 39,789,486,026.06
  5. Step 5: Solve for x
    x = 39,789,486,026.06/319,660.02
  6. Step 6: Final answer
    x = 124,474.39

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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.