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Finding the Fourth Proportional to 566,456.04, 781,729.97 and 308,320.51

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Solution

The fourth proportional to 566,456.04, 781,729.97 and 308,320.51 is: 425,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,456.04 : 781,729.97 = 308,320.51 : x
  2. Step 2: Convert to fraction form
    566,456.04/781,729.97 = 308,320.51/x
  3. Step 3: Cross multiply
    566,456.04x = 781,729.97 × 308,320.51
  4. Step 4: Simplify right side
    566,456.04x = 241,023,383,032.69
  5. Step 5: Solve for x
    x = 241,023,383,032.69/566,456.04
  6. Step 6: Final answer
    x = 425,493.54

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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.