Home / 763,960.24-1,054,261.60-419,817.56

Finding the Fourth Proportional to 763,960.24, 1,054,261.60 and 419,817.56

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Solution

The fourth proportional to 763,960.24, 1,054,261.60 and 419,817.56 is: 579,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,960.24 : 1,054,261.60 = 419,817.56 : x
  2. Step 2: Convert to fraction form
    763,960.24/1,054,261.60 = 419,817.56/x
  3. Step 3: Cross multiply
    763,960.24x = 1,054,261.60 × 419,817.56
  4. Step 4: Simplify right side
    763,960.24x = 442,597,532,513.70
  5. Step 5: Solve for x
    x = 442,597,532,513.70/763,960.24
  6. Step 6: Final answer
    x = 579,346.29

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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.