Home / 422,281.20-582,750-231,294

Finding the Fourth Proportional to 422,281.20, 582,750 and 231,294

Calculator

Solution

The fourth proportional to 422,281.20, 582,750 and 231,294 is: 319,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,281.20 : 582,750 = 231,294 : x
  2. Step 2: Convert to fraction form
    422,281.20/582,750 = 231,294/x
  3. Step 3: Cross multiply
    422,281.20x = 582,750 × 231,294
  4. Step 4: Simplify right side
    422,281.20x = 134,786,578,500
  5. Step 5: Solve for x
    x = 134,786,578,500/422,281.20
  6. Step 6: Final answer
    x = 319,186.78

Related Problems

Find fourth proportional to 211,140.60, 291,375 and 115,647
Half scale
Find fourth proportional to 844,562.40, 1,165,500 and 462,588
Double scale
Find fourth proportional to 422,282.20, 582,751.38 and 231,295
Similar ratio
Find fourth proportional to 633,421.80, 874,125 and 346,941
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.