Home / 820,261.98-1,230,524.19-346,951.44

Finding the Fourth Proportional to 820,261.98, 1,230,524.19 and 346,951.44

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Solution

The fourth proportional to 820,261.98, 1,230,524.19 and 346,951.44 is: 520,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,261.98 : 1,230,524.19 = 346,951.44 : x
  2. Step 2: Convert to fraction form
    820,261.98/1,230,524.19 = 346,951.44/x
  3. Step 3: Cross multiply
    820,261.98x = 1,230,524.19 × 346,951.44
  4. Step 4: Simplify right side
    820,261.98x = 426,932,139,675.33
  5. Step 5: Solve for x
    x = 426,932,139,675.33/820,261.98
  6. Step 6: Final answer
    x = 520,482.66

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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.