Home / 923,072-1,384,608-258,224

Finding the Fourth Proportional to 923,072, 1,384,608 and 258,224

Calculator

Solution

The fourth proportional to 923,072, 1,384,608 and 258,224 is: 387,336

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,072 : 1,384,608 = 258,224 : x
  2. Step 2: Convert to fraction form
    923,072/1,384,608 = 258,224/x
  3. Step 3: Cross multiply
    923,072x = 1,384,608 × 258,224
  4. Step 4: Simplify right side
    923,072x = 357,539,016,192
  5. Step 5: Solve for x
    x = 357,539,016,192/923,072
  6. Step 6: Final answer
    x = 387,336

Related Problems

Find fourth proportional to 461,536, 692,304 and 129,112
Half scale
Find fourth proportional to 1,846,144, 2,769,216 and 516,448
Double scale
Find fourth proportional to 923,073, 1,384,609.50 and 258,225
Similar ratio
Find fourth proportional to 1,384,608, 2,076,912 and 387,336
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.