Home / 994,740.80-1,492,111.20-329,806.40

Finding the Fourth Proportional to 994,740.80, 1,492,111.20 and 329,806.40

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Solution

The fourth proportional to 994,740.80, 1,492,111.20 and 329,806.40 is: 494,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,740.80 : 1,492,111.20 = 329,806.40 : x
  2. Step 2: Convert to fraction form
    994,740.80/1,492,111.20 = 329,806.40/x
  3. Step 3: Cross multiply
    994,740.80x = 1,492,111.20 × 329,806.40
  4. Step 4: Simplify right side
    994,740.80x = 492,107,823,271.68
  5. Step 5: Solve for x
    x = 492,107,823,271.68/994,740.80
  6. Step 6: Final answer
    x = 494,709.60

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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.