Home / 719,115.64-992,378.82-396,825.64

Finding the Fourth Proportional to 719,115.64, 992,378.82 and 396,825.64

Calculator

Solution

The fourth proportional to 719,115.64, 992,378.82 and 396,825.64 is: 547,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,115.64 : 992,378.82 = 396,825.64 : x
  2. Step 2: Convert to fraction form
    719,115.64/992,378.82 = 396,825.64/x
  3. Step 3: Cross multiply
    719,115.64x = 992,378.82 × 396,825.64
  4. Step 4: Simplify right side
    719,115.64x = 393,801,360,368.95
  5. Step 5: Solve for x
    x = 393,801,360,368.95/719,115.64
  6. Step 6: Final answer
    x = 547,618.96

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.