Home / 688,880.52-1,033,380.18-190,244.52

Finding the Fourth Proportional to 688,880.52, 1,033,380.18 and 190,244.52

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Solution

The fourth proportional to 688,880.52, 1,033,380.18 and 190,244.52 is: 285,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,880.52 : 1,033,380.18 = 190,244.52 : x
  2. Step 2: Convert to fraction form
    688,880.52/1,033,380.18 = 190,244.52/x
  3. Step 3: Cross multiply
    688,880.52x = 1,033,380.18 × 190,244.52
  4. Step 4: Simplify right side
    688,880.52x = 196,594,916,321.61
  5. Step 5: Solve for x
    x = 196,594,916,321.61/688,880.52
  6. Step 6: Final answer
    x = 285,383.18

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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.