Home / 994,735.80-1,492,103.70-329,801.40

Finding the Fourth Proportional to 994,735.80, 1,492,103.70 and 329,801.40

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Solution

The fourth proportional to 994,735.80, 1,492,103.70 and 329,801.40 is: 494,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,735.80 : 1,492,103.70 = 329,801.40 : x
  2. Step 2: Convert to fraction form
    994,735.80/1,492,103.70 = 329,801.40/x
  3. Step 3: Cross multiply
    994,735.80x = 1,492,103.70 × 329,801.40
  4. Step 4: Simplify right side
    994,735.80x = 492,097,889,205.18
  5. Step 5: Solve for x
    x = 492,097,889,205.18/994,735.80
  6. Step 6: Final answer
    x = 494,702.10

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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.