Home / 790,299.14-1,185,406.94-221,719.83

Finding the Fourth Proportional to 790,299.14, 1,185,406.94 and 221,719.83

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Solution

The fourth proportional to 790,299.14, 1,185,406.94 and 221,719.83 is: 332,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,299.14 : 1,185,406.94 = 221,719.83 : x
  2. Step 2: Convert to fraction form
    790,299.14/1,185,406.94 = 221,719.83/x
  3. Step 3: Cross multiply
    790,299.14x = 1,185,406.94 × 221,719.83
  4. Step 4: Simplify right side
    790,299.14x = 262,828,224,109.02
  5. Step 5: Solve for x
    x = 262,828,224,109.02/790,299.14
  6. Step 6: Final answer
    x = 332,568.03

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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.