Home / 476,485.44-657,550.86-258,694.36

Finding the Fourth Proportional to 476,485.44, 657,550.86 and 258,694.36

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Solution

The fourth proportional to 476,485.44, 657,550.86 and 258,694.36 is: 356,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,485.44 : 657,550.86 = 258,694.36 : x
  2. Step 2: Convert to fraction form
    476,485.44/657,550.86 = 258,694.36/x
  3. Step 3: Cross multiply
    476,485.44x = 657,550.86 × 258,694.36
  4. Step 4: Simplify right side
    476,485.44x = 170,104,697,736.32
  5. Step 5: Solve for x
    x = 170,104,697,736.32/476,485.44
  6. Step 6: Final answer
    x = 356,998.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.