Home / 453,046.40-678,986.40-347,341.40

Finding the Fourth Proportional to 453,046.40, 678,986.40 and 347,341.40

Calculator

Solution

The fourth proportional to 453,046.40, 678,986.40 and 347,341.40 is: 520,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,046.40 : 678,986.40 = 347,341.40 : x
  2. Step 2: Convert to fraction form
    453,046.40/678,986.40 = 347,341.40/x
  3. Step 3: Cross multiply
    453,046.40x = 678,986.40 × 347,341.40
  4. Step 4: Simplify right side
    453,046.40x = 235,840,086,756.96
  5. Step 5: Solve for x
    x = 235,840,086,756.96/453,046.40
  6. Step 6: Final answer
    x = 520,564.97

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.