Home / 804,738.30-1,207,107.45-272,276.70

Finding the Fourth Proportional to 804,738.30, 1,207,107.45 and 272,276.70

Calculator

Solution

The fourth proportional to 804,738.30, 1,207,107.45 and 272,276.70 is: 408,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,738.30 : 1,207,107.45 = 272,276.70 : x
  2. Step 2: Convert to fraction form
    804,738.30/1,207,107.45 = 272,276.70/x
  3. Step 3: Cross multiply
    804,738.30x = 1,207,107.45 × 272,276.70
  4. Step 4: Simplify right side
    804,738.30x = 328,667,233,031.42
  5. Step 5: Solve for x
    x = 328,667,233,031.42/804,738.30
  6. Step 6: Final answer
    x = 408,415.05

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.