Home / 457,913.70-631,839.42-276,504.06

Finding the Fourth Proportional to 457,913.70, 631,839.42 and 276,504.06

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Solution

The fourth proportional to 457,913.70, 631,839.42 and 276,504.06 is: 381,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,913.70 : 631,839.42 = 276,504.06 : x
  2. Step 2: Convert to fraction form
    457,913.70/631,839.42 = 276,504.06/x
  3. Step 3: Cross multiply
    457,913.70x = 631,839.42 × 276,504.06
  4. Step 4: Simplify right side
    457,913.70x = 174,706,164,898.05
  5. Step 5: Solve for x
    x = 174,706,164,898.05/457,913.70
  6. Step 6: Final answer
    x = 381,526.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.