Home / 676,903.70-1,015,744.35-256,481.30

Finding the Fourth Proportional to 676,903.70, 1,015,744.35 and 256,481.30

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Solution

The fourth proportional to 676,903.70, 1,015,744.35 and 256,481.30 is: 384,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,903.70 : 1,015,744.35 = 256,481.30 : x
  2. Step 2: Convert to fraction form
    676,903.70/1,015,744.35 = 256,481.30/x
  3. Step 3: Cross multiply
    676,903.70x = 1,015,744.35 × 256,481.30
  4. Step 4: Simplify right side
    676,903.70x = 260,519,431,355.66
  5. Step 5: Solve for x
    x = 260,519,431,355.66/676,903.70
  6. Step 6: Final answer
    x = 384,869.27

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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.