Home / 994,764.80-1,492,147.20-329,830.40

Finding the Fourth Proportional to 994,764.80, 1,492,147.20 and 329,830.40

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Solution

The fourth proportional to 994,764.80, 1,492,147.20 and 329,830.40 is: 494,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,764.80 : 1,492,147.20 = 329,830.40 : x
  2. Step 2: Convert to fraction form
    994,764.80/1,492,147.20 = 329,830.40/x
  3. Step 3: Cross multiply
    994,764.80x = 1,492,147.20 × 329,830.40
  4. Step 4: Simplify right side
    994,764.80x = 492,155,507,834.88
  5. Step 5: Solve for x
    x = 492,155,507,834.88/994,764.80
  6. Step 6: Final answer
    x = 494,745.60

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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.