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Finding the Fourth Proportional to 574,812.72, 792,966.80 and 446,610.96

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Solution

The fourth proportional to 574,812.72, 792,966.80 and 446,610.96 is: 616,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,812.72 : 792,966.80 = 446,610.96 : x
  2. Step 2: Convert to fraction form
    574,812.72/792,966.80 = 446,610.96/x
  3. Step 3: Cross multiply
    574,812.72x = 792,966.80 × 446,610.96
  4. Step 4: Simplify right side
    574,812.72x = 354,147,663,796.13
  5. Step 5: Solve for x
    x = 354,147,663,796.13/574,812.72
  6. Step 6: Final answer
    x = 616,109.65

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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.