Home / 680,667.84-1,021,053.60-207,393.60

Finding the Fourth Proportional to 680,667.84, 1,021,053.60 and 207,393.60

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Solution

The fourth proportional to 680,667.84, 1,021,053.60 and 207,393.60 is: 311,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,667.84 : 1,021,053.60 = 207,393.60 : x
  2. Step 2: Convert to fraction form
    680,667.84/1,021,053.60 = 207,393.60/x
  3. Step 3: Cross multiply
    680,667.84x = 1,021,053.60 × 207,393.60
  4. Step 4: Simplify right side
    680,667.84x = 211,759,981,896.96
  5. Step 5: Solve for x
    x = 211,759,981,896.96/680,667.84
  6. Step 6: Final answer
    x = 311,106.20

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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.