Home / 763,793.78-1,054,052.15-419,634.14

Finding the Fourth Proportional to 763,793.78, 1,054,052.15 and 419,634.14

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Solution

The fourth proportional to 763,793.78, 1,054,052.15 and 419,634.14 is: 579,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,793.78 : 1,054,052.15 = 419,634.14 : x
  2. Step 2: Convert to fraction form
    763,793.78/1,054,052.15 = 419,634.14/x
  3. Step 3: Cross multiply
    763,793.78x = 1,054,052.15 × 419,634.14
  4. Step 4: Simplify right side
    763,793.78x = 442,316,260,111.97
  5. Step 5: Solve for x
    x = 442,316,260,111.97/763,793.78
  6. Step 6: Final answer
    x = 579,104.30

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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.