Home / 348,856-523,362-127,240

Finding the Fourth Proportional to 348,856, 523,362 and 127,240

Calculator

Solution

The fourth proportional to 348,856, 523,362 and 127,240 is: 190,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,856 : 523,362 = 127,240 : x
  2. Step 2: Convert to fraction form
    348,856/523,362 = 127,240/x
  3. Step 3: Cross multiply
    348,856x = 523,362 × 127,240
  4. Step 4: Simplify right side
    348,856x = 66,592,580,880
  5. Step 5: Solve for x
    x = 66,592,580,880/348,856
  6. Step 6: Final answer
    x = 190,888.45

Related Problems

Find fourth proportional to 174,428, 261,681 and 63,620
Half scale
Find fourth proportional to 697,712, 1,046,724 and 254,480
Double scale
Find fourth proportional to 348,857, 523,363.50 and 127,241
Similar ratio
Find fourth proportional to 523,284, 785,043 and 190,860
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.