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Finding the Fourth Proportional to 396,525.60, 594,788.40 and 209,901.60

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Solution

The fourth proportional to 396,525.60, 594,788.40 and 209,901.60 is: 314,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,525.60 : 594,788.40 = 209,901.60 : x
  2. Step 2: Convert to fraction form
    396,525.60/594,788.40 = 209,901.60/x
  3. Step 3: Cross multiply
    396,525.60x = 594,788.40 × 209,901.60
  4. Step 4: Simplify right side
    396,525.60x = 124,847,036,821.44
  5. Step 5: Solve for x
    x = 124,847,036,821.44/396,525.60
  6. Step 6: Final answer
    x = 314,852.40

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1.5x scale

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.