Home / 994,712.80-1,492,069.20-329,778.40

Finding the Fourth Proportional to 994,712.80, 1,492,069.20 and 329,778.40

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Solution

The fourth proportional to 994,712.80, 1,492,069.20 and 329,778.40 is: 494,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,712.80 : 1,492,069.20 = 329,778.40 : x
  2. Step 2: Convert to fraction form
    994,712.80/1,492,069.20 = 329,778.40/x
  3. Step 3: Cross multiply
    994,712.80x = 1,492,069.20 × 329,778.40
  4. Step 4: Simplify right side
    994,712.80x = 492,052,193,465.28
  5. Step 5: Solve for x
    x = 492,052,193,465.28/994,712.80
  6. Step 6: Final answer
    x = 494,667.60

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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.