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Finding the Fourth Proportional to 605,612.07, 908,370.40 and 264,047.43

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Solution

The fourth proportional to 605,612.07, 908,370.40 and 264,047.43 is: 396,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,612.07 : 908,370.40 = 264,047.43 : x
  2. Step 2: Convert to fraction form
    605,612.07/908,370.40 = 264,047.43/x
  3. Step 3: Cross multiply
    605,612.07x = 908,370.40 × 264,047.43
  4. Step 4: Simplify right side
    605,612.07x = 239,852,863,745.98
  5. Step 5: Solve for x
    x = 239,852,863,745.98/605,612.07
  6. Step 6: Final answer
    x = 396,050.33

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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.