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Finding the Fourth Proportional to 605,582.70, 908,811.45 and 339,060.30

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Solution

The fourth proportional to 605,582.70, 908,811.45 and 339,060.30 is: 508,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,582.70 : 908,811.45 = 339,060.30 : x
  2. Step 2: Convert to fraction form
    605,582.70/908,811.45 = 339,060.30/x
  3. Step 3: Cross multiply
    605,582.70x = 908,811.45 × 339,060.30
  4. Step 4: Simplify right side
    605,582.70x = 308,141,882,880.44
  5. Step 5: Solve for x
    x = 308,141,882,880.44/605,582.70
  6. Step 6: Final answer
    x = 508,835.35

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1.5x scale

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.