Home / 942.77-1,301-517.38

Finding the Fourth Proportional to 942.77, 1,301 and 517.38

Calculator

Solution

The fourth proportional to 942.77, 1,301 and 517.38 is: 713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.77 : 1,301 = 517.38 : x
  2. Step 2: Convert to fraction form
    942.77/1,301 = 517.38/x
  3. Step 3: Cross multiply
    942.77x = 1,301 × 517.38
  4. Step 4: Simplify right side
    942.77x = 673,111.38
  5. Step 5: Solve for x
    x = 673,111.38/942.77
  6. Step 6: Final answer
    x = 713.97

Related Problems

Find fourth proportional to 471.39, 650.50 and 258.69
Half scale
Find fourth proportional to 1,885.54, 2,602 and 1,034.76
Double scale
Find fourth proportional to 943.77, 1,302.38 and 518.38
Similar ratio
Find fourth proportional to 1,414.16, 1,951.50 and 776.07
1.5x scale

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.