Home / 925,538.40-1,388,249.28-294,904.80

Finding the Fourth Proportional to 925,538.40, 1,388,249.28 and 294,904.80

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Solution

The fourth proportional to 925,538.40, 1,388,249.28 and 294,904.80 is: 442,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,538.40 : 1,388,249.28 = 294,904.80 : x
  2. Step 2: Convert to fraction form
    925,538.40/1,388,249.28 = 294,904.80/x
  3. Step 3: Cross multiply
    925,538.40x = 1,388,249.28 × 294,904.80
  4. Step 4: Simplify right side
    925,538.40x = 409,401,376,268.54
  5. Step 5: Solve for x
    x = 409,401,376,268.54/925,538.40
  6. Step 6: Final answer
    x = 442,338.62

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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.