Home / 668,624.49-922,701.74-378,229.85

Finding the Fourth Proportional to 668,624.49, 922,701.74 and 378,229.85

Calculator

Solution

The fourth proportional to 668,624.49, 922,701.74 and 378,229.85 is: 521,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,624.49 : 922,701.74 = 378,229.85 : x
  2. Step 2: Convert to fraction form
    668,624.49/922,701.74 = 378,229.85/x
  3. Step 3: Cross multiply
    668,624.49x = 922,701.74 × 378,229.85
  4. Step 4: Simplify right side
    668,624.49x = 348,993,334,210.28
  5. Step 5: Solve for x
    x = 348,993,334,210.28/668,624.49
  6. Step 6: Final answer
    x = 521,957.15

Related Problems

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.