Home / 455,905.13-683,857.69-123,481.13

Finding the Fourth Proportional to 455,905.13, 683,857.69 and 123,481.13

Calculator

Solution

The fourth proportional to 455,905.13, 683,857.69 and 123,481.13 is: 185,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,905.13 : 683,857.69 = 123,481.13 : x
  2. Step 2: Convert to fraction form
    455,905.13/683,857.69 = 123,481.13/x
  3. Step 3: Cross multiply
    455,905.13x = 683,857.69 × 123,481.13
  4. Step 4: Simplify right side
    455,905.13x = 84,443,516,592.40
  5. Step 5: Solve for x
    x = 84,443,516,592.40/455,905.13
  6. Step 6: Final answer
    x = 185,221.69

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.