Home / 457,913.17-631,838.73-276,503.59

Finding the Fourth Proportional to 457,913.17, 631,838.73 and 276,503.59

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Solution

The fourth proportional to 457,913.17, 631,838.73 and 276,503.59 is: 381,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,913.17 : 631,838.73 = 276,503.59 : x
  2. Step 2: Convert to fraction form
    457,913.17/631,838.73 = 276,503.59/x
  3. Step 3: Cross multiply
    457,913.17x = 631,838.73 × 276,503.59
  4. Step 4: Simplify right side
    457,913.17x = 174,705,677,146.04
  5. Step 5: Solve for x
    x = 174,705,677,146.04/457,913.17
  6. Step 6: Final answer
    x = 381,525.78

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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.