Home / 729,662.20-1,094,493.30-256,881.40

Finding the Fourth Proportional to 729,662.20, 1,094,493.30 and 256,881.40

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Solution

The fourth proportional to 729,662.20, 1,094,493.30 and 256,881.40 is: 385,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,662.20 : 1,094,493.30 = 256,881.40 : x
  2. Step 2: Convert to fraction form
    729,662.20/1,094,493.30 = 256,881.40/x
  3. Step 3: Cross multiply
    729,662.20x = 1,094,493.30 × 256,881.40
  4. Step 4: Simplify right side
    729,662.20x = 281,154,971,194.62
  5. Step 5: Solve for x
    x = 281,154,971,194.62/729,662.20
  6. Step 6: Final answer
    x = 385,322.10

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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.