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Finding the Fourth Proportional to 608,285.56, 912,409.44 and 253,290.64

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Solution

The fourth proportional to 608,285.56, 912,409.44 and 253,290.64 is: 379,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,285.56 : 912,409.44 = 253,290.64 : x
  2. Step 2: Convert to fraction form
    608,285.56/912,409.44 = 253,290.64/x
  3. Step 3: Cross multiply
    608,285.56x = 912,409.44 × 253,290.64
  4. Step 4: Simplify right side
    608,285.56x = 231,104,770,999.64
  5. Step 5: Solve for x
    x = 231,104,770,999.64/608,285.56
  6. Step 6: Final answer
    x = 379,928.09

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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.