Home / 583,638-875,457-140,406

Finding the Fourth Proportional to 583,638, 875,457 and 140,406

Calculator

Solution

The fourth proportional to 583,638, 875,457 and 140,406 is: 210,609

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,638 : 875,457 = 140,406 : x
  2. Step 2: Convert to fraction form
    583,638/875,457 = 140,406/x
  3. Step 3: Cross multiply
    583,638x = 875,457 × 140,406
  4. Step 4: Simplify right side
    583,638x = 122,919,415,542
  5. Step 5: Solve for x
    x = 122,919,415,542/583,638
  6. Step 6: Final answer
    x = 210,609

Related Problems

Find fourth proportional to 291,819, 437,728.50 and 70,203
Half scale
Find fourth proportional to 1,167,276, 1,750,914 and 280,812
Double scale
Find fourth proportional to 583,639, 875,458.50 and 140,407
Similar ratio
Find fourth proportional to 875,457, 1,313,185.50 and 210,609
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.