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Finding the Fourth Proportional to 502,775.84, 693,844.35 and 273,348.56

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Solution

The fourth proportional to 502,775.84, 693,844.35 and 273,348.56 is: 377,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,775.84 : 693,844.35 = 273,348.56 : x
  2. Step 2: Convert to fraction form
    502,775.84/693,844.35 = 273,348.56/x
  3. Step 3: Cross multiply
    502,775.84x = 693,844.35 × 273,348.56
  4. Step 4: Simplify right side
    502,775.84x = 189,661,355,671.25
  5. Step 5: Solve for x
    x = 189,661,355,671.25/502,775.84
  6. Step 6: Final answer
    x = 377,228.46

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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.