Home / 668,289.62-1,002,619.41-308,570.54

Finding the Fourth Proportional to 668,289.62, 1,002,619.41 and 308,570.54

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Solution

The fourth proportional to 668,289.62, 1,002,619.41 and 308,570.54 is: 462,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,289.62 : 1,002,619.41 = 308,570.54 : x
  2. Step 2: Convert to fraction form
    668,289.62/1,002,619.41 = 308,570.54/x
  3. Step 3: Cross multiply
    668,289.62x = 1,002,619.41 × 308,570.54
  4. Step 4: Simplify right side
    668,289.62x = 309,378,812,758.18
  5. Step 5: Solve for x
    x = 309,378,812,758.18/668,289.62
  6. Step 6: Final answer
    x = 462,941.22

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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.