Home / 976,074.21-1,464,275.31-336,351.78

Finding the Fourth Proportional to 976,074.21, 1,464,275.31 and 336,351.78

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Solution

The fourth proportional to 976,074.21, 1,464,275.31 and 336,351.78 is: 504,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,074.21 : 1,464,275.31 = 336,351.78 : x
  2. Step 2: Convert to fraction form
    976,074.21/1,464,275.31 = 336,351.78/x
  3. Step 3: Cross multiply
    976,074.21x = 1,464,275.31 × 336,351.78
  4. Step 4: Simplify right side
    976,074.21x = 492,511,606,928.55
  5. Step 5: Solve for x
    x = 492,511,606,928.55/976,074.21
  6. Step 6: Final answer
    x = 504,584.18

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Double scale
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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.