Home / 653,313.50-979,970.25-210,081.50

Finding the Fourth Proportional to 653,313.50, 979,970.25 and 210,081.50

Calculator

Solution

The fourth proportional to 653,313.50, 979,970.25 and 210,081.50 is: 315,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,313.50 : 979,970.25 = 210,081.50 : x
  2. Step 2: Convert to fraction form
    653,313.50/979,970.25 = 210,081.50/x
  3. Step 3: Cross multiply
    653,313.50x = 979,970.25 × 210,081.50
  4. Step 4: Simplify right side
    653,313.50x = 205,873,620,075.38
  5. Step 5: Solve for x
    x = 205,873,620,075.38/653,313.50
  6. Step 6: Final answer
    x = 315,122.25

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.