Home / 261,796-392,694-64,804

Finding the Fourth Proportional to 261,796, 392,694 and 64,804

Calculator

Solution

The fourth proportional to 261,796, 392,694 and 64,804 is: 97,206

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,796 : 392,694 = 64,804 : x
  2. Step 2: Convert to fraction form
    261,796/392,694 = 64,804/x
  3. Step 3: Cross multiply
    261,796x = 392,694 × 64,804
  4. Step 4: Simplify right side
    261,796x = 25,448,141,976
  5. Step 5: Solve for x
    x = 25,448,141,976/261,796
  6. Step 6: Final answer
    x = 97,206

Related Problems

Find fourth proportional to 130,898, 196,347 and 32,402
Half scale
Find fourth proportional to 523,592, 785,388 and 129,608
Double scale
Find fourth proportional to 261,797, 392,695.50 and 64,805
Similar ratio
Find fourth proportional to 392,694, 589,041 and 97,206
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.