Home / 848-1,270.72-462.72

Finding the Fourth Proportional to 848, 1,270.72 and 462.72

Calculator

Solution

The fourth proportional to 848, 1,270.72 and 462.72 is: 693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    848 : 1,270.72 = 462.72 : x
  2. Step 2: Convert to fraction form
    848/1,270.72 = 462.72/x
  3. Step 3: Cross multiply
    848x = 1,270.72 × 462.72
  4. Step 4: Simplify right side
    848x = 587,987.56
  5. Step 5: Solve for x
    x = 587,987.56/848
  6. Step 6: Final answer
    x = 693.38

Related Problems

Find fourth proportional to 424, 635.36 and 231.36
Half scale
Find fourth proportional to 1,696, 2,541.44 and 925.44
Double scale
Find fourth proportional to 849, 1,272.22 and 463.72
Similar ratio
Find fourth proportional to 1,272, 1,906.08 and 694.08
1.5x scale

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.