Home / 858,846.15-1,287,740.25-290,173.53

Finding the Fourth Proportional to 858,846.15, 1,287,740.25 and 290,173.53

Calculator

Solution

The fourth proportional to 858,846.15, 1,287,740.25 and 290,173.53 is: 435,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,846.15 : 1,287,740.25 = 290,173.53 : x
  2. Step 2: Convert to fraction form
    858,846.15/1,287,740.25 = 290,173.53/x
  3. Step 3: Cross multiply
    858,846.15x = 1,287,740.25 × 290,173.53
  4. Step 4: Simplify right side
    858,846.15x = 373,668,134,065.58
  5. Step 5: Solve for x
    x = 373,668,134,065.58/858,846.15
  6. Step 6: Final answer
    x = 435,081.57

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.