Home / 627,056.64-864,864-435,974.40

Finding the Fourth Proportional to 627,056.64, 864,864 and 435,974.40

Calculator

Solution

The fourth proportional to 627,056.64, 864,864 and 435,974.40 is: 601,315

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,056.64 : 864,864 = 435,974.40 : x
  2. Step 2: Convert to fraction form
    627,056.64/864,864 = 435,974.40/x
  3. Step 3: Cross multiply
    627,056.64x = 864,864 × 435,974.40
  4. Step 4: Simplify right side
    627,056.64x = 377,058,563,481.60
  5. Step 5: Solve for x
    x = 377,058,563,481.60/627,056.64
  6. Step 6: Final answer
    x = 601,315

Related Problems

Find fourth proportional to 313,528.32, 432,432 and 217,987.20
Half scale
Find fourth proportional to 1,254,113.28, 1,729,728 and 871,948.80
Double scale
Find fourth proportional to 627,057.64, 864,865.38 and 435,975.40
Similar ratio
Find fourth proportional to 940,584.96, 1,297,296 and 653,961.60
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.