Home / 382,940.43-528,437.02-210,824.74

Finding the Fourth Proportional to 382,940.43, 528,437.02 and 210,824.74

Calculator

Solution

The fourth proportional to 382,940.43, 528,437.02 and 210,824.74 is: 290,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,940.43 : 528,437.02 = 210,824.74 : x
  2. Step 2: Convert to fraction form
    382,940.43/528,437.02 = 210,824.74/x
  3. Step 3: Cross multiply
    382,940.43x = 528,437.02 × 210,824.74
  4. Step 4: Simplify right side
    382,940.43x = 111,407,597,347.88
  5. Step 5: Solve for x
    x = 111,407,597,347.88/382,940.43
  6. Step 6: Final answer
    x = 290,926.70

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.