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Finding the Fourth Proportional to 476,484.86, 657,550.09 and 258,693.78

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Solution

The fourth proportional to 476,484.86, 657,550.09 and 258,693.78 is: 356,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,484.86 : 657,550.09 = 258,693.78 : x
  2. Step 2: Convert to fraction form
    476,484.86/657,550.09 = 258,693.78/x
  3. Step 3: Cross multiply
    476,484.86x = 657,550.09 × 258,693.78
  4. Step 4: Simplify right side
    476,484.86x = 170,104,121,110.62
  5. Step 5: Solve for x
    x = 170,104,121,110.62/476,484.86
  6. Step 6: Final answer
    x = 356,997.95

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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.