Home / 1,303.47-1,955.79-654.66

Finding the Fourth Proportional to 1,303.47, 1,955.79 and 654.66

Calculator

Solution

The fourth proportional to 1,303.47, 1,955.79 and 654.66 is: 982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.47 : 1,955.79 = 654.66 : x
  2. Step 2: Convert to fraction form
    1,303.47/1,955.79 = 654.66/x
  3. Step 3: Cross multiply
    1,303.47x = 1,955.79 × 654.66
  4. Step 4: Simplify right side
    1,303.47x = 1,280,377.48
  5. Step 5: Solve for x
    x = 1,280,377.48/1,303.47
  6. Step 6: Final answer
    x = 982.28

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.