Home / 655,845.26-905,131.02-383,896.67

Finding the Fourth Proportional to 655,845.26, 905,131.02 and 383,896.67

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Solution

The fourth proportional to 655,845.26, 905,131.02 and 383,896.67 is: 529,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,845.26 : 905,131.02 = 383,896.67 : x
  2. Step 2: Convert to fraction form
    655,845.26/905,131.02 = 383,896.67/x
  3. Step 3: Cross multiply
    655,845.26x = 905,131.02 × 383,896.67
  4. Step 4: Simplify right side
    655,845.26x = 347,476,779,966.05
  5. Step 5: Solve for x
    x = 347,476,779,966.05/655,845.26
  6. Step 6: Final answer
    x = 529,815.19

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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.