Home / 1,050.28-1,449.40-657.54

Finding the Fourth Proportional to 1,050.28, 1,449.40 and 657.54

Calculator

Solution

The fourth proportional to 1,050.28, 1,449.40 and 657.54 is: 907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.28 : 1,449.40 = 657.54 : x
  2. Step 2: Convert to fraction form
    1,050.28/1,449.40 = 657.54/x
  3. Step 3: Cross multiply
    1,050.28x = 1,449.40 × 657.54
  4. Step 4: Simplify right side
    1,050.28x = 953,038.48
  5. Step 5: Solve for x
    x = 953,038.48/1,050.28
  6. Step 6: Final answer
    x = 907.41

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.