Home / 615,946-923,919-149,002

Finding the Fourth Proportional to 615,946, 923,919 and 149,002

Calculator

Solution

The fourth proportional to 615,946, 923,919 and 149,002 is: 223,503

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,946 : 923,919 = 149,002 : x
  2. Step 2: Convert to fraction form
    615,946/923,919 = 149,002/x
  3. Step 3: Cross multiply
    615,946x = 923,919 × 149,002
  4. Step 4: Simplify right side
    615,946x = 137,665,778,838
  5. Step 5: Solve for x
    x = 137,665,778,838/615,946
  6. Step 6: Final answer
    x = 223,503

Related Problems

Find fourth proportional to 307,973, 461,959.50 and 74,501
Half scale
Find fourth proportional to 1,231,892, 1,847,838 and 298,004
Double scale
Find fourth proportional to 615,947, 923,920.50 and 149,003
Similar ratio
Find fourth proportional to 923,919, 1,385,878.50 and 223,503
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.