Home / 764,124.68-1,054,515.76-419,954.33

Finding the Fourth Proportional to 764,124.68, 1,054,515.76 and 419,954.33

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Solution

The fourth proportional to 764,124.68, 1,054,515.76 and 419,954.33 is: 579,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,124.68 : 1,054,515.76 = 419,954.33 : x
  2. Step 2: Convert to fraction form
    764,124.68/1,054,515.76 = 419,954.33/x
  3. Step 3: Cross multiply
    764,124.68x = 1,054,515.76 × 419,954.33
  4. Step 4: Simplify right side
    764,124.68x = 442,848,459,465.24
  5. Step 5: Solve for x
    x = 442,848,459,465.24/764,124.68
  6. Step 6: Final answer
    x = 579,550.00

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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.