Home / 486,063.60-729,095.40-308,770.80

Finding the Fourth Proportional to 486,063.60, 729,095.40 and 308,770.80

Calculator

Solution

The fourth proportional to 486,063.60, 729,095.40 and 308,770.80 is: 463,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,063.60 : 729,095.40 = 308,770.80 : x
  2. Step 2: Convert to fraction form
    486,063.60/729,095.40 = 308,770.80/x
  3. Step 3: Cross multiply
    486,063.60x = 729,095.40 × 308,770.80
  4. Step 4: Simplify right side
    486,063.60x = 225,123,369,934.32
  5. Step 5: Solve for x
    x = 225,123,369,934.32/486,063.60
  6. Step 6: Final answer
    x = 463,156.20

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.