Home / 547,994-821,991-154,010

Finding the Fourth Proportional to 547,994, 821,991 and 154,010

Calculator

Solution

The fourth proportional to 547,994, 821,991 and 154,010 is: 231,015

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,994 : 821,991 = 154,010 : x
  2. Step 2: Convert to fraction form
    547,994/821,991 = 154,010/x
  3. Step 3: Cross multiply
    547,994x = 821,991 × 154,010
  4. Step 4: Simplify right side
    547,994x = 126,594,833,910
  5. Step 5: Solve for x
    x = 126,594,833,910/547,994
  6. Step 6: Final answer
    x = 231,015

Related Problems

Find fourth proportional to 273,997, 410,995.50 and 77,005
Half scale
Find fourth proportional to 1,095,988, 1,643,982 and 308,020
Double scale
Find fourth proportional to 547,995, 821,992.50 and 154,011
Similar ratio
Find fourth proportional to 821,991, 1,232,986.50 and 231,015
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.