Home / 1,488.50-2,232.74-514.61

Finding the Fourth Proportional to 1,488.50, 2,232.74 and 514.61

Calculator

Solution

The fourth proportional to 1,488.50, 2,232.74 and 514.61 is: 771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.50 : 2,232.74 = 514.61 : x
  2. Step 2: Convert to fraction form
    1,488.50/2,232.74 = 514.61/x
  3. Step 3: Cross multiply
    1,488.50x = 2,232.74 × 514.61
  4. Step 4: Simplify right side
    1,488.50x = 1,148,980.45
  5. Step 5: Solve for x
    x = 1,148,980.45/1,488.50
  6. Step 6: Final answer
    x = 771.91

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.