Home / 856,505.42-1,284,759.06-257,466.52

Finding the Fourth Proportional to 856,505.42, 1,284,759.06 and 257,466.52

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Solution

The fourth proportional to 856,505.42, 1,284,759.06 and 257,466.52 is: 386,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,505.42 : 1,284,759.06 = 257,466.52 : x
  2. Step 2: Convert to fraction form
    856,505.42/1,284,759.06 = 257,466.52/x
  3. Step 3: Cross multiply
    856,505.42x = 1,284,759.06 × 257,466.52
  4. Step 4: Simplify right side
    856,505.42x = 330,782,441,004.77
  5. Step 5: Solve for x
    x = 330,782,441,004.77/856,505.42
  6. Step 6: Final answer
    x = 386,200.06

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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.