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Finding the Fourth Proportional to 605,027.10, 907,540.65 and 539,708.70

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Solution

The fourth proportional to 605,027.10, 907,540.65 and 539,708.70 is: 809,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,027.10 : 907,540.65 = 539,708.70 : x
  2. Step 2: Convert to fraction form
    605,027.10/907,540.65 = 539,708.70/x
  3. Step 3: Cross multiply
    605,027.10x = 907,540.65 × 539,708.70
  4. Step 4: Simplify right side
    605,027.10x = 489,807,584,408.66
  5. Step 5: Solve for x
    x = 489,807,584,408.66/605,027.10
  6. Step 6: Final answer
    x = 809,563.05

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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.