Home / 696,712-961,470.24-378,760

Finding the Fourth Proportional to 696,712, 961,470.24 and 378,760

Calculator

Solution

The fourth proportional to 696,712, 961,470.24 and 378,760 is: 522,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,712 : 961,470.24 = 378,760 : x
  2. Step 2: Convert to fraction form
    696,712/961,470.24 = 378,760/x
  3. Step 3: Cross multiply
    696,712x = 961,470.24 × 378,760
  4. Step 4: Simplify right side
    696,712x = 364,166,468,102.40
  5. Step 5: Solve for x
    x = 364,166,468,102.40/696,712
  6. Step 6: Final answer
    x = 522,692.98

Related Problems

Find fourth proportional to 348,356, 480,735.12 and 189,380
Half scale
Find fourth proportional to 1,393,424, 1,922,940.48 and 757,520
Double scale
Find fourth proportional to 696,713, 961,471.62 and 378,761
Similar ratio
Find fourth proportional to 1,045,068, 1,442,205.36 and 568,140
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.