Home / 746,704.55-1,030,450.37-407,172.80

Finding the Fourth Proportional to 746,704.55, 1,030,450.37 and 407,172.80

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Solution

The fourth proportional to 746,704.55, 1,030,450.37 and 407,172.80 is: 561,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,704.55 : 1,030,450.37 = 407,172.80 : x
  2. Step 2: Convert to fraction form
    746,704.55/1,030,450.37 = 407,172.80/x
  3. Step 3: Cross multiply
    746,704.55x = 1,030,450.37 × 407,172.80
  4. Step 4: Simplify right side
    746,704.55x = 419,571,362,954.20
  5. Step 5: Solve for x
    x = 419,571,362,954.20/746,704.55
  6. Step 6: Final answer
    x = 561,897.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.