Home / 355,606.98-533,826.81-280,777.56

Finding the Fourth Proportional to 355,606.98, 533,826.81 and 280,777.56

Calculator

Solution

The fourth proportional to 355,606.98, 533,826.81 and 280,777.56 is: 421,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,606.98 : 533,826.81 = 280,777.56 : x
  2. Step 2: Convert to fraction form
    355,606.98/533,826.81 = 280,777.56/x
  3. Step 3: Cross multiply
    355,606.98x = 533,826.81 × 280,777.56
  4. Step 4: Simplify right side
    355,606.98x = 149,886,589,174.38
  5. Step 5: Solve for x
    x = 149,886,589,174.38/355,606.98
  6. Step 6: Final answer
    x = 421,495.07

Related Problems

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.