Home / 913,234.20-1,369,860.56-407,820.94

Finding the Fourth Proportional to 913,234.20, 1,369,860.56 and 407,820.94

Calculator

Solution

The fourth proportional to 913,234.20, 1,369,860.56 and 407,820.94 is: 611,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,234.20 : 1,369,860.56 = 407,820.94 : x
  2. Step 2: Convert to fraction form
    913,234.20/1,369,860.56 = 407,820.94/x
  3. Step 3: Cross multiply
    913,234.20x = 1,369,860.56 × 407,820.94
  4. Step 4: Simplify right side
    913,234.20x = 558,657,821,248.13
  5. Step 5: Solve for x
    x = 558,657,821,248.13/913,234.20
  6. Step 6: Final answer
    x = 611,735.55

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.