Home / 787,927.12-1,179,996.78-449,944.50

Finding the Fourth Proportional to 787,927.12, 1,179,996.78 and 449,944.50

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Solution

The fourth proportional to 787,927.12, 1,179,996.78 and 449,944.50 is: 673,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,927.12 : 1,179,996.78 = 449,944.50 : x
  2. Step 2: Convert to fraction form
    787,927.12/1,179,996.78 = 449,944.50/x
  3. Step 3: Cross multiply
    787,927.12x = 1,179,996.78 × 449,944.50
  4. Step 4: Simplify right side
    787,927.12x = 530,933,061,178.71
  5. Step 5: Solve for x
    x = 530,933,061,178.71/787,927.12
  6. Step 6: Final answer
    x = 673,835.24

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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.