Home / 764,450.41-1,054,914.99-492,529.77

Finding the Fourth Proportional to 764,450.41, 1,054,914.99 and 492,529.77

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Solution

The fourth proportional to 764,450.41, 1,054,914.99 and 492,529.77 is: 679,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,450.41 : 1,054,914.99 = 492,529.77 : x
  2. Step 2: Convert to fraction form
    764,450.41/1,054,914.99 = 492,529.77/x
  3. Step 3: Cross multiply
    764,450.41x = 1,054,914.99 × 492,529.77
  4. Step 4: Simplify right side
    764,450.41x = 519,577,037,394.25
  5. Step 5: Solve for x
    x = 519,577,037,394.25/764,450.41
  6. Step 6: Final answer
    x = 679,673.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.