Home / 426,859.45-589,176.69-245,589.94

Finding the Fourth Proportional to 426,859.45, 589,176.69 and 245,589.94

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Solution

The fourth proportional to 426,859.45, 589,176.69 and 245,589.94 is: 338,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,859.45 : 589,176.69 = 245,589.94 : x
  2. Step 2: Convert to fraction form
    426,859.45/589,176.69 = 245,589.94/x
  3. Step 3: Cross multiply
    426,859.45x = 589,176.69 × 245,589.94
  4. Step 4: Simplify right side
    426,859.45x = 144,695,867,946.50
  5. Step 5: Solve for x
    x = 144,695,867,946.50/426,859.45
  6. Step 6: Final answer
    x = 338,977.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.