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Finding the Fourth Proportional to 605,225, 907,574.92 and 205,758.48

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Solution

The fourth proportional to 605,225, 907,574.92 and 205,758.48 is: 308,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,225 : 907,574.92 = 205,758.48 : x
  2. Step 2: Convert to fraction form
    605,225/907,574.92 = 205,758.48/x
  3. Step 3: Cross multiply
    605,225x = 907,574.92 × 205,758.48
  4. Step 4: Simplify right side
    605,225x = 186,741,236,025.32
  5. Step 5: Solve for x
    x = 186,741,236,025.32/605,225
  6. Step 6: Final answer
    x = 308,548.45

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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.