Home / 783,543.58-1,175,315.64-214,930.60

Finding the Fourth Proportional to 783,543.58, 1,175,315.64 and 214,930.60

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Solution

The fourth proportional to 783,543.58, 1,175,315.64 and 214,930.60 is: 322,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,543.58 : 1,175,315.64 = 214,930.60 : x
  2. Step 2: Convert to fraction form
    783,543.58/1,175,315.64 = 214,930.60/x
  3. Step 3: Cross multiply
    783,543.58x = 1,175,315.64 × 214,930.60
  4. Step 4: Simplify right side
    783,543.58x = 252,611,295,694.58
  5. Step 5: Solve for x
    x = 252,611,295,694.58/783,543.58
  6. Step 6: Final answer
    x = 322,395.97

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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.