Home / 856,544.64-1,284,418.08-383,233.92

Finding the Fourth Proportional to 856,544.64, 1,284,418.08 and 383,233.92

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Solution

The fourth proportional to 856,544.64, 1,284,418.08 and 383,233.92 is: 574,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,544.64 : 1,284,418.08 = 383,233.92 : x
  2. Step 2: Convert to fraction form
    856,544.64/1,284,418.08 = 383,233.92/x
  3. Step 3: Cross multiply
    856,544.64x = 1,284,418.08 × 383,233.92
  4. Step 4: Simplify right side
    856,544.64x = 492,232,575,717.27
  5. Step 5: Solve for x
    x = 492,232,575,717.27/856,544.64
  6. Step 6: Final answer
    x = 574,672.41

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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.