Home / 442,890.30-664,335.45-243,824.70

Finding the Fourth Proportional to 442,890.30, 664,335.45 and 243,824.70

Calculator

Solution

The fourth proportional to 442,890.30, 664,335.45 and 243,824.70 is: 365,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,890.30 : 664,335.45 = 243,824.70 : x
  2. Step 2: Convert to fraction form
    442,890.30/664,335.45 = 243,824.70/x
  3. Step 3: Cross multiply
    442,890.30x = 664,335.45 × 243,824.70
  4. Step 4: Simplify right side
    442,890.30x = 161,981,391,795.62
  5. Step 5: Solve for x
    x = 161,981,391,795.62/442,890.30
  6. Step 6: Final answer
    x = 365,737.05

Related Problems

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.