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Finding the Fourth Proportional to 552,867.94, 763,193.15 and 371,684.94

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Solution

The fourth proportional to 552,867.94, 763,193.15 and 371,684.94 is: 513,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,867.94 : 763,193.15 = 371,684.94 : x
  2. Step 2: Convert to fraction form
    552,867.94/763,193.15 = 371,684.94/x
  3. Step 3: Cross multiply
    552,867.94x = 763,193.15 × 371,684.94
  4. Step 4: Simplify right side
    552,867.94x = 283,667,398,307.74
  5. Step 5: Solve for x
    x = 283,667,398,307.74/552,867.94
  6. Step 6: Final answer
    x = 513,083.46

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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.