Home / 674,538.80-1,011,678.60-201,239.60

Finding the Fourth Proportional to 674,538.80, 1,011,678.60 and 201,239.60

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Solution

The fourth proportional to 674,538.80, 1,011,678.60 and 201,239.60 is: 301,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,538.80 : 1,011,678.60 = 201,239.60 : x
  2. Step 2: Convert to fraction form
    674,538.80/1,011,678.60 = 201,239.60/x
  3. Step 3: Cross multiply
    674,538.80x = 1,011,678.60 × 201,239.60
  4. Step 4: Simplify right side
    674,538.80x = 203,589,796,792.56
  5. Step 5: Solve for x
    x = 203,589,796,792.56/674,538.80
  6. Step 6: Final answer
    x = 301,820.74

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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.