Home / 554,917.48-765,789.70-325,428.06

Finding the Fourth Proportional to 554,917.48, 765,789.70 and 325,428.06

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Solution

The fourth proportional to 554,917.48, 765,789.70 and 325,428.06 is: 449,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,917.48 : 765,789.70 = 325,428.06 : x
  2. Step 2: Convert to fraction form
    554,917.48/765,789.70 = 325,428.06/x
  3. Step 3: Cross multiply
    554,917.48x = 765,789.70 × 325,428.06
  4. Step 4: Simplify right side
    554,917.48x = 249,209,456,438.98
  5. Step 5: Solve for x
    x = 249,209,456,438.98/554,917.48
  6. Step 6: Final answer
    x = 449,092.82

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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.