Home / 993,158.70-1,489,738.05-328,310.70

Finding the Fourth Proportional to 993,158.70, 1,489,738.05 and 328,310.70

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Solution

The fourth proportional to 993,158.70, 1,489,738.05 and 328,310.70 is: 492,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,158.70 : 1,489,738.05 = 328,310.70 : x
  2. Step 2: Convert to fraction form
    993,158.70/1,489,738.05 = 328,310.70/x
  3. Step 3: Cross multiply
    993,158.70x = 1,489,738.05 × 328,310.70
  4. Step 4: Simplify right side
    993,158.70x = 489,096,942,012.14
  5. Step 5: Solve for x
    x = 489,096,942,012.14/993,158.70
  6. Step 6: Final answer
    x = 492,466.05

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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.