Home / 618,384-927,576-151,440

Finding the Fourth Proportional to 618,384, 927,576 and 151,440

Calculator

Solution

The fourth proportional to 618,384, 927,576 and 151,440 is: 227,160

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,384 : 927,576 = 151,440 : x
  2. Step 2: Convert to fraction form
    618,384/927,576 = 151,440/x
  3. Step 3: Cross multiply
    618,384x = 927,576 × 151,440
  4. Step 4: Simplify right side
    618,384x = 140,472,109,440
  5. Step 5: Solve for x
    x = 140,472,109,440/618,384
  6. Step 6: Final answer
    x = 227,160

Related Problems

Find fourth proportional to 309,192, 463,788 and 75,720
Half scale
Find fourth proportional to 1,236,768, 1,855,152 and 302,880
Double scale
Find fourth proportional to 618,385, 927,577.50 and 151,441
Similar ratio
Find fourth proportional to 927,576, 1,391,364 and 227,160
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.