Home / 483,613.40-725,420.10-128,663.30

Finding the Fourth Proportional to 483,613.40, 725,420.10 and 128,663.30

Calculator

Solution

The fourth proportional to 483,613.40, 725,420.10 and 128,663.30 is: 192,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,613.40 : 725,420.10 = 128,663.30 : x
  2. Step 2: Convert to fraction form
    483,613.40/725,420.10 = 128,663.30/x
  3. Step 3: Cross multiply
    483,613.40x = 725,420.10 × 128,663.30
  4. Step 4: Simplify right side
    483,613.40x = 93,334,943,952.33
  5. Step 5: Solve for x
    x = 93,334,943,952.33/483,613.40
  6. Step 6: Final answer
    x = 192,994.95

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.