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Finding the Fourth Proportional to 501,615.48, 752,103.18 and 330,639.84

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Solution

The fourth proportional to 501,615.48, 752,103.18 and 330,639.84 is: 495,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,615.48 : 752,103.18 = 330,639.84 : x
  2. Step 2: Convert to fraction form
    501,615.48/752,103.18 = 330,639.84/x
  3. Step 3: Cross multiply
    501,615.48x = 752,103.18 × 330,639.84
  4. Step 4: Simplify right side
    501,615.48x = 248,675,275,098.69
  5. Step 5: Solve for x
    x = 248,675,275,098.69/501,615.48
  6. Step 6: Final answer
    x = 495,748.81

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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.