Home / 764,494.83-1,054,940.11-450,116.71

Finding the Fourth Proportional to 764,494.83, 1,054,940.11 and 450,116.71

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Solution

The fourth proportional to 764,494.83, 1,054,940.11 and 450,116.71 is: 621,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,494.83 : 1,054,940.11 = 450,116.71 : x
  2. Step 2: Convert to fraction form
    764,494.83/1,054,940.11 = 450,116.71/x
  3. Step 3: Cross multiply
    764,494.83x = 1,054,940.11 × 450,116.71
  4. Step 4: Simplify right side
    764,494.83x = 474,846,169,309.66
  5. Step 5: Solve for x
    x = 474,846,169,309.66/764,494.83
  6. Step 6: Final answer
    x = 621,124.11

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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.