Home / 744,121-1,116,181.56-218,809

Finding the Fourth Proportional to 744,121, 1,116,181.56 and 218,809

Calculator

Solution

The fourth proportional to 744,121, 1,116,181.56 and 218,809 is: 328,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,121 : 1,116,181.56 = 218,809 : x
  2. Step 2: Convert to fraction form
    744,121/1,116,181.56 = 218,809/x
  3. Step 3: Cross multiply
    744,121x = 1,116,181.56 × 218,809
  4. Step 4: Simplify right side
    744,121x = 244,230,570,962.04
  5. Step 5: Solve for x
    x = 244,230,570,962.04/744,121
  6. Step 6: Final answer
    x = 328,213.52

Related Problems

Find fourth proportional to 372,060.50, 558,090.78 and 109,404.50
Half scale
Find fourth proportional to 1,488,242, 2,232,363.12 and 437,618
Double scale
Find fourth proportional to 744,122, 1,116,183.06 and 218,810
Similar ratio
Find fourth proportional to 1,116,181.50, 1,674,272.34 and 328,213.50
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.