Home / 764,328.64-1,054,765.92-424,789.60

Finding the Fourth Proportional to 764,328.64, 1,054,765.92 and 424,789.60

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Solution

The fourth proportional to 764,328.64, 1,054,765.92 and 424,789.60 is: 586,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,328.64 : 1,054,765.92 = 424,789.60 : x
  2. Step 2: Convert to fraction form
    764,328.64/1,054,765.92 = 424,789.60/x
  3. Step 3: Cross multiply
    764,328.64x = 1,054,765.92 × 424,789.60
  4. Step 4: Simplify right side
    764,328.64x = 448,053,593,250.43
  5. Step 5: Solve for x
    x = 448,053,593,250.43/764,328.64
  6. Step 6: Final answer
    x = 586,205.42

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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.