Home / 820,233.20-1,230,522.60-346,674.80

Finding the Fourth Proportional to 820,233.20, 1,230,522.60 and 346,674.80

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Solution

The fourth proportional to 820,233.20, 1,230,522.60 and 346,674.80 is: 520,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,233.20 : 1,230,522.60 = 346,674.80 : x
  2. Step 2: Convert to fraction form
    820,233.20/1,230,522.60 = 346,674.80/x
  3. Step 3: Cross multiply
    820,233.20x = 1,230,522.60 × 346,674.80
  4. Step 4: Simplify right side
    820,233.20x = 426,591,176,250.48
  5. Step 5: Solve for x
    x = 426,591,176,250.48/820,233.20
  6. Step 6: Final answer
    x = 520,085.23

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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.