Home / 399,789.70-551,708.85-227,707.63

Finding the Fourth Proportional to 399,789.70, 551,708.85 and 227,707.63

Calculator

Solution

The fourth proportional to 399,789.70, 551,708.85 and 227,707.63 is: 314,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,789.70 : 551,708.85 = 227,707.63 : x
  2. Step 2: Convert to fraction form
    399,789.70/551,708.85 = 227,707.63/x
  3. Step 3: Cross multiply
    399,789.70x = 551,708.85 × 227,707.63
  4. Step 4: Simplify right side
    399,789.70x = 125,628,314,158.16
  5. Step 5: Solve for x
    x = 125,628,314,158.16/399,789.70
  6. Step 6: Final answer
    x = 314,236.00

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.