Home / 858,483.80-1,287,213.70-526,298.20

Finding the Fourth Proportional to 858,483.80, 1,287,213.70 and 526,298.20

Calculator

Solution

The fourth proportional to 858,483.80, 1,287,213.70 and 526,298.20 is: 789,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,483.80 : 1,287,213.70 = 526,298.20 : x
  2. Step 2: Convert to fraction form
    858,483.80/1,287,213.70 = 526,298.20/x
  3. Step 3: Cross multiply
    858,483.80x = 1,287,213.70 × 526,298.20
  4. Step 4: Simplify right side
    858,483.80x = 677,458,253,325.34
  5. Step 5: Solve for x
    x = 677,458,253,325.34/858,483.80
  6. Step 6: Final answer
    x = 789,133.42

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.