Home / 767,955.40-1,059,778.90-428,423.65

Finding the Fourth Proportional to 767,955.40, 1,059,778.90 and 428,423.65

Calculator

Solution

The fourth proportional to 767,955.40, 1,059,778.90 and 428,423.65 is: 591,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,955.40 : 1,059,778.90 = 428,423.65 : x
  2. Step 2: Convert to fraction form
    767,955.40/1,059,778.90 = 428,423.65/x
  3. Step 3: Cross multiply
    767,955.40x = 1,059,778.90 × 428,423.65
  4. Step 4: Simplify right side
    767,955.40x = 454,034,344,530.99
  5. Step 5: Solve for x
    x = 454,034,344,530.99/767,955.40
  6. Step 6: Final answer
    x = 591,224.89

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.