Home / 994,718.80-1,492,078.20-329,784.40

Finding the Fourth Proportional to 994,718.80, 1,492,078.20 and 329,784.40

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Solution

The fourth proportional to 994,718.80, 1,492,078.20 and 329,784.40 is: 494,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,718.80 : 1,492,078.20 = 329,784.40 : x
  2. Step 2: Convert to fraction form
    994,718.80/1,492,078.20 = 329,784.40/x
  3. Step 3: Cross multiply
    994,718.80x = 1,492,078.20 × 329,784.40
  4. Step 4: Simplify right side
    994,718.80x = 492,064,113,940.08
  5. Step 5: Solve for x
    x = 492,064,113,940.08/994,718.80
  6. Step 6: Final answer
    x = 494,676.60

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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.