Home / 409,739.40-565,239.36-273,806.72

Finding the Fourth Proportional to 409,739.40, 565,239.36 and 273,806.72

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Solution

The fourth proportional to 409,739.40, 565,239.36 and 273,806.72 is: 377,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,739.40 : 565,239.36 = 273,806.72 : x
  2. Step 2: Convert to fraction form
    409,739.40/565,239.36 = 273,806.72/x
  3. Step 3: Cross multiply
    409,739.40x = 565,239.36 × 273,806.72
  4. Step 4: Simplify right side
    409,739.40x = 154,766,335,176.50
  5. Step 5: Solve for x
    x = 154,766,335,176.50/409,739.40
  6. Step 6: Final answer
    x = 377,718.95

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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.