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Finding the Fourth Proportional to 502,277.84, 693,143.88 and 275,938

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Solution

The fourth proportional to 502,277.84, 693,143.88 and 275,938 is: 380,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,277.84 : 693,143.88 = 275,938 : x
  2. Step 2: Convert to fraction form
    502,277.84/693,143.88 = 275,938/x
  3. Step 3: Cross multiply
    502,277.84x = 693,143.88 × 275,938
  4. Step 4: Simplify right side
    502,277.84x = 191,264,735,959.44
  5. Step 5: Solve for x
    x = 191,264,735,959.44/502,277.84
  6. Step 6: Final answer
    x = 380,794.69

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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.