Home / 680,708.52-1,021,173.69-200,984.81

Finding the Fourth Proportional to 680,708.52, 1,021,173.69 and 200,984.81

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Solution

The fourth proportional to 680,708.52, 1,021,173.69 and 200,984.81 is: 301,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,708.52 : 1,021,173.69 = 200,984.81 : x
  2. Step 2: Convert to fraction form
    680,708.52/1,021,173.69 = 200,984.81/x
  3. Step 3: Cross multiply
    680,708.52x = 1,021,173.69 × 200,984.81
  4. Step 4: Simplify right side
    680,708.52x = 205,240,402,777.39
  5. Step 5: Solve for x
    x = 205,240,402,777.39/680,708.52
  6. Step 6: Final answer
    x = 301,509.97

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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.