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Finding the Fourth Proportional to 543,537, 814,417.61 and 330,370.11

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Solution

The fourth proportional to 543,537, 814,417.61 and 330,370.11 is: 495,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,537 : 814,417.61 = 330,370.11 : x
  2. Step 2: Convert to fraction form
    543,537/814,417.61 = 330,370.11/x
  3. Step 3: Cross multiply
    543,537x = 814,417.61 × 330,370.11
  4. Step 4: Simplify right side
    543,537x = 269,059,233,749.79
  5. Step 5: Solve for x
    x = 269,059,233,749.79/543,537
  6. Step 6: Final answer
    x = 495,015.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.