Home / 977.54-1,466.65-611.90

Finding the Fourth Proportional to 977.54, 1,466.65 and 611.90

Calculator

Solution

The fourth proportional to 977.54, 1,466.65 and 611.90 is: 918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.54 : 1,466.65 = 611.90 : x
  2. Step 2: Convert to fraction form
    977.54/1,466.65 = 611.90/x
  3. Step 3: Cross multiply
    977.54x = 1,466.65 × 611.90
  4. Step 4: Simplify right side
    977.54x = 897,435.80
  5. Step 5: Solve for x
    x = 897,435.80/977.54
  6. Step 6: Final answer
    x = 918.06

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.