Home / 1,294.17-1,786-704.73

Finding the Fourth Proportional to 1,294.17, 1,786 and 704.73

Calculator

Solution

The fourth proportional to 1,294.17, 1,786 and 704.73 is: 972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.17 : 1,786 = 704.73 : x
  2. Step 2: Convert to fraction form
    1,294.17/1,786 = 704.73/x
  3. Step 3: Cross multiply
    1,294.17x = 1,786 × 704.73
  4. Step 4: Simplify right side
    1,294.17x = 1,258,647.78
  5. Step 5: Solve for x
    x = 1,258,647.78/1,294.17
  6. Step 6: Final answer
    x = 972.55

Related Problems

Find fourth proportional to 647.09, 893 and 352.37
Half scale
Find fourth proportional to 2,588.34, 3,572 and 1,409.46
Double scale
Find fourth proportional to 1,295.17, 1,787.38 and 705.73
Similar ratio
Find fourth proportional to 1,941.26, 2,679 and 1,057.10
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.