Home / 753,909.96-1,040,638.20-482,708.28

Finding the Fourth Proportional to 753,909.96, 1,040,638.20 and 482,708.28

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Solution

The fourth proportional to 753,909.96, 1,040,638.20 and 482,708.28 is: 666,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,909.96 : 1,040,638.20 = 482,708.28 : x
  2. Step 2: Convert to fraction form
    753,909.96/1,040,638.20 = 482,708.28/x
  3. Step 3: Cross multiply
    753,909.96x = 1,040,638.20 × 482,708.28
  4. Step 4: Simplify right side
    753,909.96x = 502,324,675,624.30
  5. Step 5: Solve for x
    x = 502,324,675,624.30/753,909.96
  6. Step 6: Final answer
    x = 666,292.66

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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.