Home / 719,500-1,079,302.32-276,268

Finding the Fourth Proportional to 719,500, 1,079,302.32 and 276,268

Calculator

Solution

The fourth proportional to 719,500, 1,079,302.32 and 276,268 is: 414,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,500 : 1,079,302.32 = 276,268 : x
  2. Step 2: Convert to fraction form
    719,500/1,079,302.32 = 276,268/x
  3. Step 3: Cross multiply
    719,500x = 1,079,302.32 × 276,268
  4. Step 4: Simplify right side
    719,500x = 298,176,693,341.76
  5. Step 5: Solve for x
    x = 298,176,693,341.76/719,500
  6. Step 6: Final answer
    x = 414,422.09

Related Problems

Find fourth proportional to 359,750, 539,651.16 and 138,134
Half scale
Find fourth proportional to 1,439,000, 2,158,604.64 and 552,536
Double scale
Find fourth proportional to 719,501, 1,079,303.82 and 276,269
Similar ratio
Find fourth proportional to 1,079,250, 1,618,953.48 and 414,402
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.