Home / 386,471.33-579,710.72-146,520.70

Finding the Fourth Proportional to 386,471.33, 579,710.72 and 146,520.70

Calculator

Solution

The fourth proportional to 386,471.33, 579,710.72 and 146,520.70 is: 219,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,471.33 : 579,710.72 = 146,520.70 : x
  2. Step 2: Convert to fraction form
    386,471.33/579,710.72 = 146,520.70/x
  3. Step 3: Cross multiply
    386,471.33x = 579,710.72 × 146,520.70
  4. Step 4: Simplify right side
    386,471.33x = 84,939,619,408.93
  5. Step 5: Solve for x
    x = 84,939,619,408.93/386,471.33
  6. Step 6: Final answer
    x = 219,782.46

Related Problems

Find fourth proportional to 193,235.66, 289,855.36 and 73,260.35
Half scale
Find fourth proportional to 772,942.65, 1,159,421.45 and 293,041.40
Double scale
Find fourth proportional to 386,472.33, 579,712.22 and 146,521.70
Similar ratio
Find fourth proportional to 579,706.99, 869,566.08 and 219,781.05
1.5x scale

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.