Home / 899,004.87-1,240,611.14-491,096.23

Finding the Fourth Proportional to 899,004.87, 1,240,611.14 and 491,096.23

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Solution

The fourth proportional to 899,004.87, 1,240,611.14 and 491,096.23 is: 677,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,004.87 : 1,240,611.14 = 491,096.23 : x
  2. Step 2: Convert to fraction form
    899,004.87/1,240,611.14 = 491,096.23/x
  3. Step 3: Cross multiply
    899,004.87x = 1,240,611.14 × 491,096.23
  4. Step 4: Simplify right side
    899,004.87x = 609,259,451,876.22
  5. Step 5: Solve for x
    x = 609,259,451,876.22/899,004.87
  6. Step 6: Final answer
    x = 677,704.28

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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.