Home / 763,947.73-1,054,186.17-441,678.59

Finding the Fourth Proportional to 763,947.73, 1,054,186.17 and 441,678.59

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Solution

The fourth proportional to 763,947.73, 1,054,186.17 and 441,678.59 is: 609,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,947.73 : 1,054,186.17 = 441,678.59 : x
  2. Step 2: Convert to fraction form
    763,947.73/1,054,186.17 = 441,678.59/x
  3. Step 3: Cross multiply
    763,947.73x = 1,054,186.17 × 441,678.59
  4. Step 4: Simplify right side
    763,947.73x = 465,611,458,954.71
  5. Step 5: Solve for x
    x = 465,611,458,954.71/763,947.73
  6. Step 6: Final answer
    x = 609,480.78

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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.