Home / 976,935.20-1,465,402.80-303,015.20

Finding the Fourth Proportional to 976,935.20, 1,465,402.80 and 303,015.20

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Solution

The fourth proportional to 976,935.20, 1,465,402.80 and 303,015.20 is: 454,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,935.20 : 1,465,402.80 = 303,015.20 : x
  2. Step 2: Convert to fraction form
    976,935.20/1,465,402.80 = 303,015.20/x
  3. Step 3: Cross multiply
    976,935.20x = 1,465,402.80 × 303,015.20
  4. Step 4: Simplify right side
    976,935.20x = 444,039,322,522.56
  5. Step 5: Solve for x
    x = 444,039,322,522.56/976,935.20
  6. Step 6: Final answer
    x = 454,522.80

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Double scale
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Similar ratio
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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.