Home / 834,960-1,252,644-266,341.20

Finding the Fourth Proportional to 834,960, 1,252,644 and 266,341.20

Calculator

Solution

The fourth proportional to 834,960, 1,252,644 and 266,341.20 is: 399,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,960 : 1,252,644 = 266,341.20 : x
  2. Step 2: Convert to fraction form
    834,960/1,252,644 = 266,341.20/x
  3. Step 3: Cross multiply
    834,960x = 1,252,644 × 266,341.20
  4. Step 4: Simplify right side
    834,960x = 333,630,706,132.80
  5. Step 5: Solve for x
    x = 333,630,706,132.80/834,960
  6. Step 6: Final answer
    x = 399,576.87

Related Problems

Find fourth proportional to 417,480, 626,322 and 133,170.60
Half scale
Find fourth proportional to 1,669,920, 2,505,288 and 532,682.40
Double scale
Find fourth proportional to 834,961, 1,252,645.50 and 266,342.20
Similar ratio
Find fourth proportional to 1,252,440, 1,878,966 and 399,511.80
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.