Home / 554,869.92-765,724.06-325,380.49

Finding the Fourth Proportional to 554,869.92, 765,724.06 and 325,380.49

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Solution

The fourth proportional to 554,869.92, 765,724.06 and 325,380.49 is: 449,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,869.92 : 765,724.06 = 325,380.49 : x
  2. Step 2: Convert to fraction form
    554,869.92/765,724.06 = 325,380.49/x
  3. Step 3: Cross multiply
    554,869.92x = 765,724.06 × 325,380.49
  4. Step 4: Simplify right side
    554,869.92x = 249,151,671,732.07
  5. Step 5: Solve for x
    x = 249,151,671,732.07/554,869.92
  6. Step 6: Final answer
    x = 449,027.17

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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.