Home / 613,525.76-846,535.40-387,040

Finding the Fourth Proportional to 613,525.76, 846,535.40 and 387,040

Calculator

Solution

The fourth proportional to 613,525.76, 846,535.40 and 387,040 is: 534,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,525.76 : 846,535.40 = 387,040 : x
  2. Step 2: Convert to fraction form
    613,525.76/846,535.40 = 387,040/x
  3. Step 3: Cross multiply
    613,525.76x = 846,535.40 × 387,040
  4. Step 4: Simplify right side
    613,525.76x = 327,643,061,216
  5. Step 5: Solve for x
    x = 327,643,061,216/613,525.76
  6. Step 6: Final answer
    x = 534,033.10

Related Problems

Find fourth proportional to 306,762.88, 423,267.70 and 193,520
Half scale
Find fourth proportional to 1,227,051.52, 1,693,070.80 and 774,080
Double scale
Find fourth proportional to 613,526.76, 846,536.78 and 387,041
Similar ratio
Find fourth proportional to 920,288.64, 1,269,803.10 and 580,560
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.