Home / 688,804.75-1,033,266.66-190,168.75

Finding the Fourth Proportional to 688,804.75, 1,033,266.66 and 190,168.75

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Solution

The fourth proportional to 688,804.75, 1,033,266.66 and 190,168.75 is: 285,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,804.75 : 1,033,266.66 = 190,168.75 : x
  2. Step 2: Convert to fraction form
    688,804.75/1,033,266.66 = 190,168.75/x
  3. Step 3: Cross multiply
    688,804.75x = 1,033,266.66 × 190,168.75
  4. Step 4: Simplify right side
    688,804.75x = 196,495,029,148.88
  5. Step 5: Solve for x
    x = 196,495,029,148.88/688,804.75
  6. Step 6: Final answer
    x = 285,269.56

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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.