Home / 463,478-639,599.64-251,510

Finding the Fourth Proportional to 463,478, 639,599.64 and 251,510

Calculator

Solution

The fourth proportional to 463,478, 639,599.64 and 251,510 is: 347,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,478 : 639,599.64 = 251,510 : x
  2. Step 2: Convert to fraction form
    463,478/639,599.64 = 251,510/x
  3. Step 3: Cross multiply
    463,478x = 639,599.64 × 251,510
  4. Step 4: Simplify right side
    463,478x = 160,865,705,456.40
  5. Step 5: Solve for x
    x = 160,865,705,456.40/463,478
  6. Step 6: Final answer
    x = 347,083.80

Related Problems

Find fourth proportional to 231,739, 319,799.82 and 125,755
Half scale
Find fourth proportional to 926,956, 1,279,199.28 and 503,020
Double scale
Find fourth proportional to 463,479, 639,601.02 and 251,511
Similar ratio
Find fourth proportional to 695,217, 959,399.46 and 377,265
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.