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Finding the Fourth Proportional to 383,770.73, 575,850.20 and 255,774.35

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Solution

The fourth proportional to 383,770.73, 575,850.20 and 255,774.35 is: 383,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,770.73 : 575,850.20 = 255,774.35 : x
  2. Step 2: Convert to fraction form
    383,770.73/575,850.20 = 255,774.35/x
  3. Step 3: Cross multiply
    383,770.73x = 575,850.20 × 255,774.35
  4. Step 4: Simplify right side
    383,770.73x = 147,287,706,444.25
  5. Step 5: Solve for x
    x = 147,287,706,444.25/383,770.73
  6. Step 6: Final answer
    x = 383,790.89

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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.