Home / 470,143.88-648,638.30-300,475.88

Finding the Fourth Proportional to 470,143.88, 648,638.30 and 300,475.88

Calculator

Solution

The fourth proportional to 470,143.88, 648,638.30 and 300,475.88 is: 414,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,143.88 : 648,638.30 = 300,475.88 : x
  2. Step 2: Convert to fraction form
    470,143.88/648,638.30 = 300,475.88/x
  3. Step 3: Cross multiply
    470,143.88x = 648,638.30 × 300,475.88
  4. Step 4: Simplify right side
    470,143.88x = 194,900,163,994.20
  5. Step 5: Solve for x
    x = 194,900,163,994.20/470,143.88
  6. Step 6: Final answer
    x = 414,554.29

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.