Home / 803,440.36-1,205,168.84-204,401.80

Finding the Fourth Proportional to 803,440.36, 1,205,168.84 and 204,401.80

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Solution

The fourth proportional to 803,440.36, 1,205,168.84 and 204,401.80 is: 306,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,440.36 : 1,205,168.84 = 204,401.80 : x
  2. Step 2: Convert to fraction form
    803,440.36/1,205,168.84 = 204,401.80/x
  3. Step 3: Cross multiply
    803,440.36x = 1,205,168.84 × 204,401.80
  4. Step 4: Simplify right side
    803,440.36x = 246,338,680,199.91
  5. Step 5: Solve for x
    x = 246,338,680,199.91/803,440.36
  6. Step 6: Final answer
    x = 306,604.81

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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.