Home / 729,157.60-1,093,736.40-255,890.80

Finding the Fourth Proportional to 729,157.60, 1,093,736.40 and 255,890.80

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Solution

The fourth proportional to 729,157.60, 1,093,736.40 and 255,890.80 is: 383,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,157.60 : 1,093,736.40 = 255,890.80 : x
  2. Step 2: Convert to fraction form
    729,157.60/1,093,736.40 = 255,890.80/x
  3. Step 3: Cross multiply
    729,157.60x = 1,093,736.40 × 255,890.80
  4. Step 4: Simplify right side
    729,157.60x = 279,877,082,385.12
  5. Step 5: Solve for x
    x = 279,877,082,385.12/729,157.60
  6. Step 6: Final answer
    x = 383,836.20

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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.