Home / 682,429.59-1,021,544.87-445,261.59

Finding the Fourth Proportional to 682,429.59, 1,021,544.87 and 445,261.59

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Solution

The fourth proportional to 682,429.59, 1,021,544.87 and 445,261.59 is: 666,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,429.59 : 1,021,544.87 = 445,261.59 : x
  2. Step 2: Convert to fraction form
    682,429.59/1,021,544.87 = 445,261.59/x
  3. Step 3: Cross multiply
    682,429.59x = 1,021,544.87 × 445,261.59
  4. Step 4: Simplify right side
    682,429.59x = 454,854,690,846.24
  5. Step 5: Solve for x
    x = 454,854,690,846.24/682,429.59
  6. Step 6: Final answer
    x = 666,522.52

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1.5x scale

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.