Home / 646,351.88-967,705.05-342,056.75

Finding the Fourth Proportional to 646,351.88, 967,705.05 and 342,056.75

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Solution

The fourth proportional to 646,351.88, 967,705.05 and 342,056.75 is: 512,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,351.88 : 967,705.05 = 342,056.75 : x
  2. Step 2: Convert to fraction form
    646,351.88/967,705.05 = 342,056.75/x
  3. Step 3: Cross multiply
    646,351.88x = 967,705.05 × 342,056.75
  4. Step 4: Simplify right side
    646,351.88x = 331,010,044,361.59
  5. Step 5: Solve for x
    x = 331,010,044,361.59/646,351.88
  6. Step 6: Final answer
    x = 512,120.49

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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.