Home / 680,984.59-1,021,474.14-207,668.58

Finding the Fourth Proportional to 680,984.59, 1,021,474.14 and 207,668.58

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Solution

The fourth proportional to 680,984.59, 1,021,474.14 and 207,668.58 is: 311,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,984.59 : 1,021,474.14 = 207,668.58 : x
  2. Step 2: Convert to fraction form
    680,984.59/1,021,474.14 = 207,668.58/x
  3. Step 3: Cross multiply
    680,984.59x = 1,021,474.14 × 207,668.58
  4. Step 4: Simplify right side
    680,984.59x = 212,128,084,160.52
  5. Step 5: Solve for x
    x = 212,128,084,160.52/680,984.59
  6. Step 6: Final answer
    x = 311,502.03

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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.