Home / 680,941.68-1,021,481.64-260,571.12

Finding the Fourth Proportional to 680,941.68, 1,021,481.64 and 260,571.12

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Solution

The fourth proportional to 680,941.68, 1,021,481.64 and 260,571.12 is: 390,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,941.68 : 1,021,481.64 = 260,571.12 : x
  2. Step 2: Convert to fraction form
    680,941.68/1,021,481.64 = 260,571.12/x
  3. Step 3: Cross multiply
    680,941.68x = 1,021,481.64 × 260,571.12
  4. Step 4: Simplify right side
    680,941.68x = 266,168,614,994.24
  5. Step 5: Solve for x
    x = 266,168,614,994.24/680,941.68
  6. Step 6: Final answer
    x = 390,883.13

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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.