Home / 922,255.24-1,383,525.90-389,778.52

Finding the Fourth Proportional to 922,255.24, 1,383,525.90 and 389,778.52

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Solution

The fourth proportional to 922,255.24, 1,383,525.90 and 389,778.52 is: 584,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,255.24 : 1,383,525.90 = 389,778.52 : x
  2. Step 2: Convert to fraction form
    922,255.24/1,383,525.90 = 389,778.52/x
  3. Step 3: Cross multiply
    922,255.24x = 1,383,525.90 × 389,778.52
  4. Step 4: Simplify right side
    922,255.24x = 539,268,677,683.67
  5. Step 5: Solve for x
    x = 539,268,677,683.67/922,255.24
  6. Step 6: Final answer
    x = 584,728.23

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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.