Home / 721,866.48-1,082,786.94-248,541.36

Finding the Fourth Proportional to 721,866.48, 1,082,786.94 and 248,541.36

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Solution

The fourth proportional to 721,866.48, 1,082,786.94 and 248,541.36 is: 372,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,866.48 : 1,082,786.94 = 248,541.36 : x
  2. Step 2: Convert to fraction form
    721,866.48/1,082,786.94 = 248,541.36/x
  3. Step 3: Cross multiply
    721,866.48x = 1,082,786.94 × 248,541.36
  4. Step 4: Simplify right side
    721,866.48x = 269,117,338,657.84
  5. Step 5: Solve for x
    x = 269,117,338,657.84/721,866.48
  6. Step 6: Final answer
    x = 372,807.64

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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.