Home / 827,846.40-1,241,462.40-329,107.20

Finding the Fourth Proportional to 827,846.40, 1,241,462.40 and 329,107.20

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Solution

The fourth proportional to 827,846.40, 1,241,462.40 and 329,107.20 is: 493,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,846.40 : 1,241,462.40 = 329,107.20 : x
  2. Step 2: Convert to fraction form
    827,846.40/1,241,462.40 = 329,107.20/x
  3. Step 3: Cross multiply
    827,846.40x = 1,241,462.40 × 329,107.20
  4. Step 4: Simplify right side
    827,846.40x = 408,574,214,369.28
  5. Step 5: Solve for x
    x = 408,574,214,369.28/827,846.40
  6. Step 6: Final answer
    x = 493,538.67

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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.