Home / 487,680.80-730,095.60-347,712.80

Finding the Fourth Proportional to 487,680.80, 730,095.60 and 347,712.80

Calculator

Solution

The fourth proportional to 487,680.80, 730,095.60 and 347,712.80 is: 520,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,680.80 : 730,095.60 = 347,712.80 : x
  2. Step 2: Convert to fraction form
    487,680.80/730,095.60 = 347,712.80/x
  3. Step 3: Cross multiply
    487,680.80x = 730,095.60 × 347,712.80
  4. Step 4: Simplify right side
    487,680.80x = 253,863,585,343.68
  5. Step 5: Solve for x
    x = 253,863,585,343.68/487,680.80
  6. Step 6: Final answer
    x = 520,552.76

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.