Home / 432,054.40-648,859.20-313,859.20

Finding the Fourth Proportional to 432,054.40, 648,859.20 and 313,859.20

Calculator

Solution

The fourth proportional to 432,054.40, 648,859.20 and 313,859.20 is: 471,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,054.40 : 648,859.20 = 313,859.20 : x
  2. Step 2: Convert to fraction form
    432,054.40/648,859.20 = 313,859.20/x
  3. Step 3: Cross multiply
    432,054.40x = 648,859.20 × 313,859.20
  4. Step 4: Simplify right side
    432,054.40x = 203,650,429,424.64
  5. Step 5: Solve for x
    x = 203,650,429,424.64/432,054.40
  6. Step 6: Final answer
    x = 471,353.68

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.