Home / 368,998.80-553,498.20-336,339.60

Finding the Fourth Proportional to 368,998.80, 553,498.20 and 336,339.60

Calculator

Solution

The fourth proportional to 368,998.80, 553,498.20 and 336,339.60 is: 504,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,998.80 : 553,498.20 = 336,339.60 : x
  2. Step 2: Convert to fraction form
    368,998.80/553,498.20 = 336,339.60/x
  3. Step 3: Cross multiply
    368,998.80x = 553,498.20 × 336,339.60
  4. Step 4: Simplify right side
    368,998.80x = 186,163,363,188.72
  5. Step 5: Solve for x
    x = 186,163,363,188.72/368,998.80
  6. Step 6: Final answer
    x = 504,509.40

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.