Home / 644,006.10-966,012.48-377,579.78

Finding the Fourth Proportional to 644,006.10, 966,012.48 and 377,579.78

Calculator

Solution

The fourth proportional to 644,006.10, 966,012.48 and 377,579.78 is: 566,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,006.10 : 966,012.48 = 377,579.78 : x
  2. Step 2: Convert to fraction form
    644,006.10/966,012.48 = 377,579.78/x
  3. Step 3: Cross multiply
    644,006.10x = 966,012.48 × 377,579.78
  4. Step 4: Simplify right side
    644,006.10x = 364,746,778,468.14
  5. Step 5: Solve for x
    x = 364,746,778,468.14/644,006.10
  6. Step 6: Final answer
    x = 566,371.62

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.