Home / 853,794.12-1,280,881.32-254,765.64

Finding the Fourth Proportional to 853,794.12, 1,280,881.32 and 254,765.64

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Solution

The fourth proportional to 853,794.12, 1,280,881.32 and 254,765.64 is: 382,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,794.12 : 1,280,881.32 = 254,765.64 : x
  2. Step 2: Convert to fraction form
    853,794.12/1,280,881.32 = 254,765.64/x
  3. Step 3: Cross multiply
    853,794.12x = 1,280,881.32 × 254,765.64
  4. Step 4: Simplify right side
    853,794.12x = 326,324,549,253.85
  5. Step 5: Solve for x
    x = 326,324,549,253.85/853,794.12
  6. Step 6: Final answer
    x = 382,205.20

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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.