Home / 856,546.02-1,284,719.67-225,509.04

Finding the Fourth Proportional to 856,546.02, 1,284,719.67 and 225,509.04

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Solution

The fourth proportional to 856,546.02, 1,284,719.67 and 225,509.04 is: 338,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,546.02 : 1,284,719.67 = 225,509.04 : x
  2. Step 2: Convert to fraction form
    856,546.02/1,284,719.67 = 225,509.04/x
  3. Step 3: Cross multiply
    856,546.02x = 1,284,719.67 × 225,509.04
  4. Step 4: Simplify right side
    856,546.02x = 289,715,899,450.82
  5. Step 5: Solve for x
    x = 289,715,899,450.82/856,546.02
  6. Step 6: Final answer
    x = 338,237.40

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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.