Home / 461,539.58-690,968.60-268,826.41

Finding the Fourth Proportional to 461,539.58, 690,968.60 and 268,826.41

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Solution

The fourth proportional to 461,539.58, 690,968.60 and 268,826.41 is: 402,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,539.58 : 690,968.60 = 268,826.41 : x
  2. Step 2: Convert to fraction form
    461,539.58/690,968.60 = 268,826.41/x
  3. Step 3: Cross multiply
    461,539.58x = 690,968.60 × 268,826.41
  4. Step 4: Simplify right side
    461,539.58x = 185,750,603,361.75
  5. Step 5: Solve for x
    x = 185,750,603,361.75/461,539.58
  6. Step 6: Final answer
    x = 402,458.67

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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.