Home / 579,229.80-869,622.30-369,796.20

Finding the Fourth Proportional to 579,229.80, 869,622.30 and 369,796.20

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Solution

The fourth proportional to 579,229.80, 869,622.30 and 369,796.20 is: 555,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,229.80 : 869,622.30 = 369,796.20 : x
  2. Step 2: Convert to fraction form
    579,229.80/869,622.30 = 369,796.20/x
  3. Step 3: Cross multiply
    579,229.80x = 869,622.30 × 369,796.20
  4. Step 4: Simplify right side
    579,229.80x = 321,583,021,975.26
  5. Step 5: Solve for x
    x = 321,583,021,975.26/579,229.80
  6. Step 6: Final answer
    x = 555,190.74

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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.