Home / 856,359.36-1,284,568.20-406,848.24

Finding the Fourth Proportional to 856,359.36, 1,284,568.20 and 406,848.24

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Solution

The fourth proportional to 856,359.36, 1,284,568.20 and 406,848.24 is: 610,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,359.36 : 1,284,568.20 = 406,848.24 : x
  2. Step 2: Convert to fraction form
    856,359.36/1,284,568.20 = 406,848.24/x
  3. Step 3: Cross multiply
    856,359.36x = 1,284,568.20 × 406,848.24
  4. Step 4: Simplify right side
    856,359.36x = 522,624,311,329.97
  5. Step 5: Solve for x
    x = 522,624,311,329.97/856,359.36
  6. Step 6: Final answer
    x = 610,286.21

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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.