Home / 554,861.88-765,712-313,154.64

Finding the Fourth Proportional to 554,861.88, 765,712 and 313,154.64

Calculator

Solution

The fourth proportional to 554,861.88, 765,712 and 313,154.64 is: 432,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,861.88 : 765,712 = 313,154.64 : x
  2. Step 2: Convert to fraction form
    554,861.88/765,712 = 313,154.64/x
  3. Step 3: Cross multiply
    554,861.88x = 765,712 × 313,154.64
  4. Step 4: Simplify right side
    554,861.88x = 239,786,265,703.68
  5. Step 5: Solve for x
    x = 239,786,265,703.68/554,861.88
  6. Step 6: Final answer
    x = 432,154.87

Related Problems

Find fourth proportional to 277,430.94, 382,856 and 156,577.32
Half scale
Find fourth proportional to 1,109,723.76, 1,531,424 and 626,309.28
Double scale
Find fourth proportional to 554,862.88, 765,713.38 and 313,155.64
Similar ratio
Find fourth proportional to 832,292.82, 1,148,568 and 469,731.96
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.