Home / 396,719.56-595,050.54-130,477

Finding the Fourth Proportional to 396,719.56, 595,050.54 and 130,477

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Solution

The fourth proportional to 396,719.56, 595,050.54 and 130,477 is: 195,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,719.56 : 595,050.54 = 130,477 : x
  2. Step 2: Convert to fraction form
    396,719.56/595,050.54 = 130,477/x
  3. Step 3: Cross multiply
    396,719.56x = 595,050.54 × 130,477
  4. Step 4: Simplify right side
    396,719.56x = 77,640,409,307.58
  5. Step 5: Solve for x
    x = 77,640,409,307.58/396,719.56
  6. Step 6: Final answer
    x = 195,706.03

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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.