Home / 994,847.70-1,492,271.55-329,999.70

Finding the Fourth Proportional to 994,847.70, 1,492,271.55 and 329,999.70

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Solution

The fourth proportional to 994,847.70, 1,492,271.55 and 329,999.70 is: 494,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,847.70 : 1,492,271.55 = 329,999.70 : x
  2. Step 2: Convert to fraction form
    994,847.70/1,492,271.55 = 329,999.70/x
  3. Step 3: Cross multiply
    994,847.70x = 1,492,271.55 × 329,999.70
  4. Step 4: Simplify right side
    994,847.70x = 492,449,163,818.54
  5. Step 5: Solve for x
    x = 492,449,163,818.54/994,847.70
  6. Step 6: Final answer
    x = 494,999.55

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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.