Home / 820,923.64-1,132,987.92-458,371

Finding the Fourth Proportional to 820,923.64, 1,132,987.92 and 458,371

Calculator

Solution

The fourth proportional to 820,923.64, 1,132,987.92 and 458,371 is: 632,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,923.64 : 1,132,987.92 = 458,371 : x
  2. Step 2: Convert to fraction form
    820,923.64/1,132,987.92 = 458,371/x
  3. Step 3: Cross multiply
    820,923.64x = 1,132,987.92 × 458,371
  4. Step 4: Simplify right side
    820,923.64x = 519,328,805,878.32
  5. Step 5: Solve for x
    x = 519,328,805,878.32/820,923.64
  6. Step 6: Final answer
    x = 632,615.24

Related Problems

Find fourth proportional to 410,461.82, 566,493.96 and 229,185.50
Half scale
Find fourth proportional to 1,641,847.28, 2,265,975.84 and 916,742
Double scale
Find fourth proportional to 820,924.64, 1,132,989.30 and 458,372
Similar ratio
Find fourth proportional to 1,231,385.46, 1,699,481.88 and 687,556.50
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.