Home / 653,283.28-901,628.58-398,782.36

Finding the Fourth Proportional to 653,283.28, 901,628.58 and 398,782.36

Calculator

Solution

The fourth proportional to 653,283.28, 901,628.58 and 398,782.36 is: 550,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,283.28 : 901,628.58 = 398,782.36 : x
  2. Step 2: Convert to fraction form
    653,283.28/901,628.58 = 398,782.36/x
  3. Step 3: Cross multiply
    653,283.28x = 901,628.58 × 398,782.36
  4. Step 4: Simplify right side
    653,283.28x = 359,553,572,975.85
  5. Step 5: Solve for x
    x = 359,553,572,975.85/653,283.28
  6. Step 6: Final answer
    x = 550,379.27

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.