Home / 683,309.78-1,024,075.62-278,029.68

Finding the Fourth Proportional to 683,309.78, 1,024,075.62 and 278,029.68

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Solution

The fourth proportional to 683,309.78, 1,024,075.62 and 278,029.68 is: 416,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,309.78 : 1,024,075.62 = 278,029.68 : x
  2. Step 2: Convert to fraction form
    683,309.78/1,024,075.62 = 278,029.68/x
  3. Step 3: Cross multiply
    683,309.78x = 1,024,075.62 × 278,029.68
  4. Step 4: Simplify right side
    683,309.78x = 284,723,416,924.40
  5. Step 5: Solve for x
    x = 284,723,416,924.40/683,309.78
  6. Step 6: Final answer
    x = 416,682.78

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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.