Home / 764,110.99-1,054,404.54-419,943.15

Finding the Fourth Proportional to 764,110.99, 1,054,404.54 and 419,943.15

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Solution

The fourth proportional to 764,110.99, 1,054,404.54 and 419,943.15 is: 579,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,110.99 : 1,054,404.54 = 419,943.15 : x
  2. Step 2: Convert to fraction form
    764,110.99/1,054,404.54 = 419,943.15/x
  3. Step 3: Cross multiply
    764,110.99x = 1,054,404.54 × 419,943.15
  4. Step 4: Simplify right side
    764,110.99x = 442,789,963,901.90
  5. Step 5: Solve for x
    x = 442,789,963,901.90/764,110.99
  6. Step 6: Final answer
    x = 579,483.83

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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.