Home / 816,641.76-1,224,962.64-255,720

Finding the Fourth Proportional to 816,641.76, 1,224,962.64 and 255,720

Calculator

Solution

The fourth proportional to 816,641.76, 1,224,962.64 and 255,720 is: 383,580

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,641.76 : 1,224,962.64 = 255,720 : x
  2. Step 2: Convert to fraction form
    816,641.76/1,224,962.64 = 255,720/x
  3. Step 3: Cross multiply
    816,641.76x = 1,224,962.64 × 255,720
  4. Step 4: Simplify right side
    816,641.76x = 313,247,446,300.80
  5. Step 5: Solve for x
    x = 313,247,446,300.80/816,641.76
  6. Step 6: Final answer
    x = 383,580

Related Problems

Find fourth proportional to 408,320.88, 612,481.32 and 127,860
Half scale
Find fourth proportional to 1,633,283.52, 2,449,925.28 and 511,440
Double scale
Find fourth proportional to 816,642.76, 1,224,964.14 and 255,721
Similar ratio
Find fourth proportional to 1,224,962.64, 1,837,443.96 and 383,580
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.