Home / 805,926.11-1,208,632.32-266,081.76

Finding the Fourth Proportional to 805,926.11, 1,208,632.32 and 266,081.76

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Solution

The fourth proportional to 805,926.11, 1,208,632.32 and 266,081.76 is: 399,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,926.11 : 1,208,632.32 = 266,081.76 : x
  2. Step 2: Convert to fraction form
    805,926.11/1,208,632.32 = 266,081.76/x
  3. Step 3: Cross multiply
    805,926.11x = 1,208,632.32 × 266,081.76
  4. Step 4: Simplify right side
    805,926.11x = 321,595,014,898.48
  5. Step 5: Solve for x
    x = 321,595,014,898.48/805,926.11
  6. Step 6: Final answer
    x = 399,037.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.