Home / 856,269.20-1,284,399.48-216,572.96

Finding the Fourth Proportional to 856,269.20, 1,284,399.48 and 216,572.96

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Solution

The fourth proportional to 856,269.20, 1,284,399.48 and 216,572.96 is: 324,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,269.20 : 1,284,399.48 = 216,572.96 : x
  2. Step 2: Convert to fraction form
    856,269.20/1,284,399.48 = 216,572.96/x
  3. Step 3: Cross multiply
    856,269.20x = 1,284,399.48 × 216,572.96
  4. Step 4: Simplify right side
    856,269.20x = 278,166,197,206.06
  5. Step 5: Solve for x
    x = 278,166,197,206.06/856,269.20
  6. Step 6: Final answer
    x = 324,858.35

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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.