Home / 916.95-1,375.16-483.87

Finding the Fourth Proportional to 916.95, 1,375.16 and 483.87

Calculator

Solution

The fourth proportional to 916.95, 1,375.16 and 483.87 is: 725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916.95 : 1,375.16 = 483.87 : x
  2. Step 2: Convert to fraction form
    916.95/1,375.16 = 483.87/x
  3. Step 3: Cross multiply
    916.95x = 1,375.16 × 483.87
  4. Step 4: Simplify right side
    916.95x = 665,396.25
  5. Step 5: Solve for x
    x = 665,396.25/916.95
  6. Step 6: Final answer
    x = 725.66

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.