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Finding the Fourth Proportional to 605,329.92, 908,555.04 and 306,021.60

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Solution

The fourth proportional to 605,329.92, 908,555.04 and 306,021.60 is: 459,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,329.92 : 908,555.04 = 306,021.60 : x
  2. Step 2: Convert to fraction form
    605,329.92/908,555.04 = 306,021.60/x
  3. Step 3: Cross multiply
    605,329.92x = 908,555.04 × 306,021.60
  4. Step 4: Simplify right side
    605,329.92x = 278,037,467,028.86
  5. Step 5: Solve for x
    x = 278,037,467,028.86/605,329.92
  6. Step 6: Final answer
    x = 459,315.59

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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.