Home / 764,223.73-1,145,892.80-314,436.51

Finding the Fourth Proportional to 764,223.73, 1,145,892.80 and 314,436.51

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Solution

The fourth proportional to 764,223.73, 1,145,892.80 and 314,436.51 is: 471,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,223.73 : 1,145,892.80 = 314,436.51 : x
  2. Step 2: Convert to fraction form
    764,223.73/1,145,892.80 = 314,436.51/x
  3. Step 3: Cross multiply
    764,223.73x = 1,145,892.80 × 314,436.51
  4. Step 4: Simplify right side
    764,223.73x = 360,310,533,652.22
  5. Step 5: Solve for x
    x = 360,310,533,652.22/764,223.73
  6. Step 6: Final answer
    x = 471,472.58

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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.