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Finding the Fourth Proportional to 576,025.83, 794,960.74 and 317,954.03

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Solution

The fourth proportional to 576,025.83, 794,960.74 and 317,954.03 is: 438,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,025.83 : 794,960.74 = 317,954.03 : x
  2. Step 2: Convert to fraction form
    576,025.83/794,960.74 = 317,954.03/x
  3. Step 3: Cross multiply
    576,025.83x = 794,960.74 × 317,954.03
  4. Step 4: Simplify right side
    576,025.83x = 252,760,967,397.42
  5. Step 5: Solve for x
    x = 252,760,967,397.42/576,025.83
  6. Step 6: Final answer
    x = 438,801.45

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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.