Home / 579,760.40-868,474.20-330,150.80

Finding the Fourth Proportional to 579,760.40, 868,474.20 and 330,150.80

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Solution

The fourth proportional to 579,760.40, 868,474.20 and 330,150.80 is: 494,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,760.40 : 868,474.20 = 330,150.80 : x
  2. Step 2: Convert to fraction form
    579,760.40/868,474.20 = 330,150.80/x
  3. Step 3: Cross multiply
    579,760.40x = 868,474.20 × 330,150.80
  4. Step 4: Simplify right side
    579,760.40x = 286,727,451,909.36
  5. Step 5: Solve for x
    x = 286,727,451,909.36/579,760.40
  6. Step 6: Final answer
    x = 494,561.98

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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.