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Finding the Fourth Proportional to 605,367.60, 908,051.40 and 339,647.10

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Solution

The fourth proportional to 605,367.60, 908,051.40 and 339,647.10 is: 509,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,367.60 : 908,051.40 = 339,647.10 : x
  2. Step 2: Convert to fraction form
    605,367.60/908,051.40 = 339,647.10/x
  3. Step 3: Cross multiply
    605,367.60x = 908,051.40 × 339,647.10
  4. Step 4: Simplify right side
    605,367.60x = 308,417,024,660.94
  5. Step 5: Solve for x
    x = 308,417,024,660.94/605,367.60
  6. Step 6: Final answer
    x = 509,470.65

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Similar ratio
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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.