Home / 565,799.52-780,787.76-311,150.71

Finding the Fourth Proportional to 565,799.52, 780,787.76 and 311,150.71

Calculator

Solution

The fourth proportional to 565,799.52, 780,787.76 and 311,150.71 is: 429,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,799.52 : 780,787.76 = 311,150.71 : x
  2. Step 2: Convert to fraction form
    565,799.52/780,787.76 = 311,150.71/x
  3. Step 3: Cross multiply
    565,799.52x = 780,787.76 × 311,150.71
  4. Step 4: Simplify right side
    565,799.52x = 242,942,660,423.62
  5. Step 5: Solve for x
    x = 242,942,660,423.62/565,799.52
  6. Step 6: Final answer
    x = 429,379.40

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.