Home / 638,107.52-957,187.20-283,055.36

Finding the Fourth Proportional to 638,107.52, 957,187.20 and 283,055.36

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Solution

The fourth proportional to 638,107.52, 957,187.20 and 283,055.36 is: 424,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,107.52 : 957,187.20 = 283,055.36 : x
  2. Step 2: Convert to fraction form
    638,107.52/957,187.20 = 283,055.36/x
  3. Step 3: Cross multiply
    638,107.52x = 957,187.20 × 283,055.36
  4. Step 4: Simplify right side
    638,107.52x = 270,936,967,483.39
  5. Step 5: Solve for x
    x = 270,936,967,483.39/638,107.52
  6. Step 6: Final answer
    x = 424,594.54

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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.