Home / 764,634.33-1,055,250.59-425,153.61

Finding the Fourth Proportional to 764,634.33, 1,055,250.59 and 425,153.61

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Solution

The fourth proportional to 764,634.33, 1,055,250.59 and 425,153.61 is: 586,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,634.33 : 1,055,250.59 = 425,153.61 : x
  2. Step 2: Convert to fraction form
    764,634.33/1,055,250.59 = 425,153.61/x
  3. Step 3: Cross multiply
    764,634.33x = 1,055,250.59 × 425,153.61
  4. Step 4: Simplify right side
    764,634.33x = 448,643,595,667.36
  5. Step 5: Solve for x
    x = 448,643,595,667.36/764,634.33
  6. Step 6: Final answer
    x = 586,742.68

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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.