Home / 451,512-623,106-250,308

Finding the Fourth Proportional to 451,512, 623,106 and 250,308

Calculator

Solution

The fourth proportional to 451,512, 623,106 and 250,308 is: 345,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,512 : 623,106 = 250,308 : x
  2. Step 2: Convert to fraction form
    451,512/623,106 = 250,308/x
  3. Step 3: Cross multiply
    451,512x = 623,106 × 250,308
  4. Step 4: Simplify right side
    451,512x = 155,968,416,648
  5. Step 5: Solve for x
    x = 155,968,416,648/451,512
  6. Step 6: Final answer
    x = 345,435.82

Related Problems

Find fourth proportional to 225,756, 311,553 and 125,154
Half scale
Find fourth proportional to 903,024, 1,246,212 and 500,616
Double scale
Find fourth proportional to 451,513, 623,107.38 and 250,309
Similar ratio
Find fourth proportional to 677,268, 934,659 and 375,462
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.