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Finding the Fourth Proportional to 483,273.60, 725,007.60 and 404,930.40

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Solution

The fourth proportional to 483,273.60, 725,007.60 and 404,930.40 is: 607,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,273.60 : 725,007.60 = 404,930.40 : x
  2. Step 2: Convert to fraction form
    483,273.60/725,007.60 = 404,930.40/x
  3. Step 3: Cross multiply
    483,273.60x = 725,007.60 × 404,930.40
  4. Step 4: Simplify right side
    483,273.60x = 293,577,617,471.04
  5. Step 5: Solve for x
    x = 293,577,617,471.04/483,273.60
  6. Step 6: Final answer
    x = 607,477.04

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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.