Home / 578,348.66-798,121.04-323,699.85

Finding the Fourth Proportional to 578,348.66, 798,121.04 and 323,699.85

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Solution

The fourth proportional to 578,348.66, 798,121.04 and 323,699.85 is: 446,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,348.66 : 798,121.04 = 323,699.85 : x
  2. Step 2: Convert to fraction form
    578,348.66/798,121.04 = 323,699.85/x
  3. Step 3: Cross multiply
    578,348.66x = 798,121.04 × 323,699.85
  4. Step 4: Simplify right side
    578,348.66x = 258,351,659,311.35
  5. Step 5: Solve for x
    x = 258,351,659,311.35/578,348.66
  6. Step 6: Final answer
    x = 446,705.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.