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Finding the Fourth Proportional to 538,288.46, 808,354.09 and 359,522.62

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Solution

The fourth proportional to 538,288.46, 808,354.09 and 359,522.62 is: 539,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,288.46 : 808,354.09 = 359,522.62 : x
  2. Step 2: Convert to fraction form
    538,288.46/808,354.09 = 359,522.62/x
  3. Step 3: Cross multiply
    538,288.46x = 808,354.09 × 359,522.62
  4. Step 4: Simplify right side
    538,288.46x = 290,621,580,773.92
  5. Step 5: Solve for x
    x = 290,621,580,773.92/538,288.46
  6. Step 6: Final answer
    x = 539,899.34

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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.