Home / 492,556.42-738,834.63-380,400.23

Finding the Fourth Proportional to 492,556.42, 738,834.63 and 380,400.23

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Solution

The fourth proportional to 492,556.42, 738,834.63 and 380,400.23 is: 570,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,556.42 : 738,834.63 = 380,400.23 : x
  2. Step 2: Convert to fraction form
    492,556.42/738,834.63 = 380,400.23/x
  3. Step 3: Cross multiply
    492,556.42x = 738,834.63 × 380,400.23
  4. Step 4: Simplify right side
    492,556.42x = 281,052,861,588.36
  5. Step 5: Solve for x
    x = 281,052,861,588.36/492,556.42
  6. Step 6: Final answer
    x = 570,600.34

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1.5x scale

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.