Home / 746,608.46-1,121,034.20-427,121.03

Finding the Fourth Proportional to 746,608.46, 1,121,034.20 and 427,121.03

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Solution

The fourth proportional to 746,608.46, 1,121,034.20 and 427,121.03 is: 641,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,608.46 : 1,121,034.20 = 427,121.03 : x
  2. Step 2: Convert to fraction form
    746,608.46/1,121,034.20 = 427,121.03/x
  3. Step 3: Cross multiply
    746,608.46x = 1,121,034.20 × 427,121.03
  4. Step 4: Simplify right side
    746,608.46x = 478,817,282,836.21
  5. Step 5: Solve for x
    x = 478,817,282,836.21/746,608.46
  6. Step 6: Final answer
    x = 641,323.15

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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.