Home / 836,064.98-1,253,949.78-330,457.88

Finding the Fourth Proportional to 836,064.98, 1,253,949.78 and 330,457.88

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Solution

The fourth proportional to 836,064.98, 1,253,949.78 and 330,457.88 is: 495,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,064.98 : 1,253,949.78 = 330,457.88 : x
  2. Step 2: Convert to fraction form
    836,064.98/1,253,949.78 = 330,457.88/x
  3. Step 3: Cross multiply
    836,064.98x = 1,253,949.78 × 330,457.88
  4. Step 4: Simplify right side
    836,064.98x = 414,377,585,925.27
  5. Step 5: Solve for x
    x = 414,377,585,925.27/836,064.98
  6. Step 6: Final answer
    x = 495,628.44

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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.