Home / 729,781.60-1,094,534.16-256,447.84

Finding the Fourth Proportional to 729,781.60, 1,094,534.16 and 256,447.84

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Solution

The fourth proportional to 729,781.60, 1,094,534.16 and 256,447.84 is: 384,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,781.60 : 1,094,534.16 = 256,447.84 : x
  2. Step 2: Convert to fraction form
    729,781.60/1,094,534.16 = 256,447.84/x
  3. Step 3: Cross multiply
    729,781.60x = 1,094,534.16 × 256,447.84
  4. Step 4: Simplify right side
    729,781.60x = 280,690,921,138.21
  5. Step 5: Solve for x
    x = 280,690,921,138.21/729,781.60
  6. Step 6: Final answer
    x = 384,623.18

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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.