Home / 712,188.72-982,832.76-389,893.68

Finding the Fourth Proportional to 712,188.72, 982,832.76 and 389,893.68

Calculator

Solution

The fourth proportional to 712,188.72, 982,832.76 and 389,893.68 is: 538,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,188.72 : 982,832.76 = 389,893.68 : x
  2. Step 2: Convert to fraction form
    712,188.72/982,832.76 = 389,893.68/x
  3. Step 3: Cross multiply
    712,188.72x = 982,832.76 × 389,893.68
  4. Step 4: Simplify right side
    712,188.72x = 383,200,281,620.96
  5. Step 5: Solve for x
    x = 383,200,281,620.96/712,188.72
  6. Step 6: Final answer
    x = 538,060.03

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.