Home / 638,503.71-881,141.07-352,034.02

Finding the Fourth Proportional to 638,503.71, 881,141.07 and 352,034.02

Calculator

Solution

The fourth proportional to 638,503.71, 881,141.07 and 352,034.02 is: 485,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,503.71 : 881,141.07 = 352,034.02 : x
  2. Step 2: Convert to fraction form
    638,503.71/881,141.07 = 352,034.02/x
  3. Step 3: Cross multiply
    638,503.71x = 881,141.07 × 352,034.02
  4. Step 4: Simplify right side
    638,503.71x = 310,191,633,059.20
  5. Step 5: Solve for x
    x = 310,191,633,059.20/638,503.71
  6. Step 6: Final answer
    x = 485,810.23

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.