Home / 509,886.30-703,592.55-389,105.58

Finding the Fourth Proportional to 509,886.30, 703,592.55 and 389,105.58

Calculator

Solution

The fourth proportional to 509,886.30, 703,592.55 and 389,105.58 is: 536,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,886.30 : 703,592.55 = 389,105.58 : x
  2. Step 2: Convert to fraction form
    509,886.30/703,592.55 = 389,105.58/x
  3. Step 3: Cross multiply
    509,886.30x = 703,592.55 × 389,105.58
  4. Step 4: Simplify right side
    509,886.30x = 273,771,787,251.43
  5. Step 5: Solve for x
    x = 273,771,787,251.43/509,886.30
  6. Step 6: Final answer
    x = 536,927.13

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.