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Finding the Fourth Proportional to 484,645.26, 725,383.02 and 356,527.36

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Solution

The fourth proportional to 484,645.26, 725,383.02 and 356,527.36 is: 533,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,645.26 : 725,383.02 = 356,527.36 : x
  2. Step 2: Convert to fraction form
    484,645.26/725,383.02 = 356,527.36/x
  3. Step 3: Cross multiply
    484,645.26x = 725,383.02 × 356,527.36
  4. Step 4: Simplify right side
    484,645.26x = 258,618,893,109.43
  5. Step 5: Solve for x
    x = 258,618,893,109.43/484,645.26
  6. Step 6: Final answer
    x = 533,625.14

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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.