Home / 516,990.03-775,012.33-217,491.77

Finding the Fourth Proportional to 516,990.03, 775,012.33 and 217,491.77

Calculator

Solution

The fourth proportional to 516,990.03, 775,012.33 and 217,491.77 is: 326,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,990.03 : 775,012.33 = 217,491.77 : x
  2. Step 2: Convert to fraction form
    516,990.03/775,012.33 = 217,491.77/x
  3. Step 3: Cross multiply
    516,990.03x = 775,012.33 × 217,491.77
  4. Step 4: Simplify right side
    516,990.03x = 168,558,803,423.52
  5. Step 5: Solve for x
    x = 168,558,803,423.52/516,990.03
  6. Step 6: Final answer
    x = 326,038.79

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.