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Finding the Fourth Proportional to 504,079.84, 695,629.78 and 277,725.34

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Solution

The fourth proportional to 504,079.84, 695,629.78 and 277,725.34 is: 383,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,079.84 : 695,629.78 = 277,725.34 : x
  2. Step 2: Convert to fraction form
    504,079.84/695,629.78 = 277,725.34/x
  3. Step 3: Cross multiply
    504,079.84x = 695,629.78 × 277,725.34
  4. Step 4: Simplify right side
    504,079.84x = 193,194,017,164.63
  5. Step 5: Solve for x
    x = 193,194,017,164.63/504,079.84
  6. Step 6: Final answer
    x = 383,260.75

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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.