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Finding the Fourth Proportional to 555,954.08, 767,217.96 and 301,305.20

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Solution

The fourth proportional to 555,954.08, 767,217.96 and 301,305.20 is: 415,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,954.08 : 767,217.96 = 301,305.20 : x
  2. Step 2: Convert to fraction form
    555,954.08/767,217.96 = 301,305.20/x
  3. Step 3: Cross multiply
    555,954.08x = 767,217.96 × 301,305.20
  4. Step 4: Simplify right side
    555,954.08x = 231,166,760,881.39
  5. Step 5: Solve for x
    x = 231,166,760,881.39/555,954.08
  6. Step 6: Final answer
    x = 415,801.90

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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.