Home / 716,124.74-988,232.40-393,834.83

Finding the Fourth Proportional to 716,124.74, 988,232.40 and 393,834.83

Calculator

Solution

The fourth proportional to 716,124.74, 988,232.40 and 393,834.83 is: 543,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,124.74 : 988,232.40 = 393,834.83 : x
  2. Step 2: Convert to fraction form
    716,124.74/988,232.40 = 393,834.83/x
  3. Step 3: Cross multiply
    716,124.74x = 988,232.40 × 393,834.83
  4. Step 4: Simplify right side
    716,124.74x = 389,200,334,313.33
  5. Step 5: Solve for x
    x = 389,200,334,313.33/716,124.74
  6. Step 6: Final answer
    x = 543,481.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.