Home / 680,581.54-1,020,965.73-231,181.80

Finding the Fourth Proportional to 680,581.54, 1,020,965.73 and 231,181.80

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Solution

The fourth proportional to 680,581.54, 1,020,965.73 and 231,181.80 is: 346,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,581.54 : 1,020,965.73 = 231,181.80 : x
  2. Step 2: Convert to fraction form
    680,581.54/1,020,965.73 = 231,181.80/x
  3. Step 3: Cross multiply
    680,581.54x = 1,020,965.73 × 231,181.80
  4. Step 4: Simplify right side
    680,581.54x = 236,028,695,199.71
  5. Step 5: Solve for x
    x = 236,028,695,199.71/680,581.54
  6. Step 6: Final answer
    x = 346,804.43

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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.