Home / 829,976.24-1,245,008.50-261,401.80

Finding the Fourth Proportional to 829,976.24, 1,245,008.50 and 261,401.80

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Solution

The fourth proportional to 829,976.24, 1,245,008.50 and 261,401.80 is: 392,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,976.24 : 1,245,008.50 = 261,401.80 : x
  2. Step 2: Convert to fraction form
    829,976.24/1,245,008.50 = 261,401.80/x
  3. Step 3: Cross multiply
    829,976.24x = 1,245,008.50 × 261,401.80
  4. Step 4: Simplify right side
    829,976.24x = 325,447,462,915.30
  5. Step 5: Solve for x
    x = 325,447,462,915.30/829,976.24
  6. Step 6: Final answer
    x = 392,116.60

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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.