Home / 753,806.21-1,040,495.01-482,604.55

Finding the Fourth Proportional to 753,806.21, 1,040,495.01 and 482,604.55

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Solution

The fourth proportional to 753,806.21, 1,040,495.01 and 482,604.55 is: 666,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,806.21 : 1,040,495.01 = 482,604.55 : x
  2. Step 2: Convert to fraction form
    753,806.21/1,040,495.01 = 482,604.55/x
  3. Step 3: Cross multiply
    753,806.21x = 1,040,495.01 × 482,604.55
  4. Step 4: Simplify right side
    753,806.21x = 502,147,623,477.06
  5. Step 5: Solve for x
    x = 502,147,623,477.06/753,806.21
  6. Step 6: Final answer
    x = 666,149.49

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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.