Home / 492,556.33-738,834.49-380,400.13

Finding the Fourth Proportional to 492,556.33, 738,834.49 and 380,400.13

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Solution

The fourth proportional to 492,556.33, 738,834.49 and 380,400.13 is: 570,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,556.33 : 738,834.49 = 380,400.13 : x
  2. Step 2: Convert to fraction form
    492,556.33/738,834.49 = 380,400.13/x
  3. Step 3: Cross multiply
    492,556.33x = 738,834.49 × 380,400.13
  4. Step 4: Simplify right side
    492,556.33x = 281,052,738,828.84
  5. Step 5: Solve for x
    x = 281,052,738,828.84/492,556.33
  6. Step 6: Final answer
    x = 570,600.20

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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.