Home / 366,918.90-550,378.35-340,346.85

Finding the Fourth Proportional to 366,918.90, 550,378.35 and 340,346.85

Calculator

Solution

The fourth proportional to 366,918.90, 550,378.35 and 340,346.85 is: 510,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.90 : 550,378.35 = 340,346.85 : x
  2. Step 2: Convert to fraction form
    366,918.90/550,378.35 = 340,346.85/x
  3. Step 3: Cross multiply
    366,918.90x = 550,378.35 × 340,346.85
  4. Step 4: Simplify right side
    366,918.90x = 187,319,537,730.70
  5. Step 5: Solve for x
    x = 187,319,537,730.70/366,918.90
  6. Step 6: Final answer
    x = 510,520.28

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.