Home / 670,850.53-1,005,575.79-271,766.77

Finding the Fourth Proportional to 670,850.53, 1,005,575.79 and 271,766.77

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Solution

The fourth proportional to 670,850.53, 1,005,575.79 and 271,766.77 is: 407,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,850.53 : 1,005,575.79 = 271,766.77 : x
  2. Step 2: Convert to fraction form
    670,850.53/1,005,575.79 = 271,766.77/x
  3. Step 3: Cross multiply
    670,850.53x = 1,005,575.79 × 271,766.77
  4. Step 4: Simplify right side
    670,850.53x = 273,282,084,438.50
  5. Step 5: Solve for x
    x = 273,282,084,438.50/670,850.53
  6. Step 6: Final answer
    x = 407,366.58

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1.5x scale

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.