Home / 486,629.03-666,670.62-468,435.05

Finding the Fourth Proportional to 486,629.03, 666,670.62 and 468,435.05

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Solution

The fourth proportional to 486,629.03, 666,670.62 and 468,435.05 is: 641,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,629.03 : 666,670.62 = 468,435.05 : x
  2. Step 2: Convert to fraction form
    486,629.03/666,670.62 = 468,435.05/x
  3. Step 3: Cross multiply
    486,629.03x = 666,670.62 × 468,435.05
  4. Step 4: Simplify right side
    486,629.03x = 312,291,881,879.88
  5. Step 5: Solve for x
    x = 312,291,881,879.88/486,629.03
  6. Step 6: Final answer
    x = 641,745.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.