Home / 403,928.30-605,892.45-254,629.10

Finding the Fourth Proportional to 403,928.30, 605,892.45 and 254,629.10

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Solution

The fourth proportional to 403,928.30, 605,892.45 and 254,629.10 is: 381,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,928.30 : 605,892.45 = 254,629.10 : x
  2. Step 2: Convert to fraction form
    403,928.30/605,892.45 = 254,629.10/x
  3. Step 3: Cross multiply
    403,928.30x = 605,892.45 × 254,629.10
  4. Step 4: Simplify right side
    403,928.30x = 154,277,849,240.30
  5. Step 5: Solve for x
    x = 154,277,849,240.30/403,928.30
  6. Step 6: Final answer
    x = 381,943.65

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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.