Home / 439,440-606,427.20-238,236

Finding the Fourth Proportional to 439,440, 606,427.20 and 238,236

Calculator

Solution

The fourth proportional to 439,440, 606,427.20 and 238,236 is: 328,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,440 : 606,427.20 = 238,236 : x
  2. Step 2: Convert to fraction form
    439,440/606,427.20 = 238,236/x
  3. Step 3: Cross multiply
    439,440x = 606,427.20 × 238,236
  4. Step 4: Simplify right side
    439,440x = 144,472,790,419.20
  5. Step 5: Solve for x
    x = 144,472,790,419.20/439,440
  6. Step 6: Final answer
    x = 328,765.68

Related Problems

Find fourth proportional to 219,720, 303,213.60 and 119,118
Half scale
Find fourth proportional to 878,880, 1,212,854.40 and 476,472
Double scale
Find fourth proportional to 439,441, 606,428.58 and 238,237
Similar ratio
Find fourth proportional to 659,160, 909,640.80 and 357,354
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.