Home / 579,230.80-869,623.80-369,797.20

Finding the Fourth Proportional to 579,230.80, 869,623.80 and 369,797.20

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Solution

The fourth proportional to 579,230.80, 869,623.80 and 369,797.20 is: 555,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,230.80 : 869,623.80 = 369,797.20 : x
  2. Step 2: Convert to fraction form
    579,230.80/869,623.80 = 369,797.20/x
  3. Step 3: Cross multiply
    579,230.80x = 869,623.80 × 369,797.20
  4. Step 4: Simplify right side
    579,230.80x = 321,584,446,293.36
  5. Step 5: Solve for x
    x = 321,584,446,293.36/579,230.80
  6. Step 6: Final answer
    x = 555,192.24

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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.