Home / 692,226.56-1,038,332.92-218,912

Finding the Fourth Proportional to 692,226.56, 1,038,332.92 and 218,912

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Solution

The fourth proportional to 692,226.56, 1,038,332.92 and 218,912 is: 328,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,226.56 : 1,038,332.92 = 218,912 : x
  2. Step 2: Convert to fraction form
    692,226.56/1,038,332.92 = 218,912/x
  3. Step 3: Cross multiply
    692,226.56x = 1,038,332.92 × 218,912
  4. Step 4: Simplify right side
    692,226.56x = 227,303,536,183.04
  5. Step 5: Solve for x
    x = 227,303,536,183.04/692,226.56
  6. Step 6: Final answer
    x = 328,365.81

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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.