Home / 404,400-558,072-225,552

Finding the Fourth Proportional to 404,400, 558,072 and 225,552

Calculator

Solution

The fourth proportional to 404,400, 558,072 and 225,552 is: 311,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,400 : 558,072 = 225,552 : x
  2. Step 2: Convert to fraction form
    404,400/558,072 = 225,552/x
  3. Step 3: Cross multiply
    404,400x = 558,072 × 225,552
  4. Step 4: Simplify right side
    404,400x = 125,874,255,744
  5. Step 5: Solve for x
    x = 125,874,255,744/404,400
  6. Step 6: Final answer
    x = 311,261.76

Related Problems

Find fourth proportional to 202,200, 279,036 and 112,776
Half scale
Find fourth proportional to 808,800, 1,116,144 and 451,104
Double scale
Find fourth proportional to 404,401, 558,073.38 and 225,553
Similar ratio
Find fourth proportional to 606,600, 837,108 and 338,328
1.5x scale

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.