Home / 829,089.60-1,244,146.40-330,401.60

Finding the Fourth Proportional to 829,089.60, 1,244,146.40 and 330,401.60

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Solution

The fourth proportional to 829,089.60, 1,244,146.40 and 330,401.60 is: 495,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,089.60 : 1,244,146.40 = 330,401.60 : x
  2. Step 2: Convert to fraction form
    829,089.60/1,244,146.40 = 330,401.60/x
  3. Step 3: Cross multiply
    829,089.60x = 1,244,146.40 × 330,401.60
  4. Step 4: Simplify right side
    829,089.60x = 411,067,961,194.24
  5. Step 5: Solve for x
    x = 411,067,961,194.24/829,089.60
  6. Step 6: Final answer
    x = 495,806.44

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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.