Home / 873,958.40-1,206,044.03-486,772.63

Finding the Fourth Proportional to 873,958.40, 1,206,044.03 and 486,772.63

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Solution

The fourth proportional to 873,958.40, 1,206,044.03 and 486,772.63 is: 671,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,958.40 : 1,206,044.03 = 486,772.63 : x
  2. Step 2: Convert to fraction form
    873,958.40/1,206,044.03 = 486,772.63/x
  3. Step 3: Cross multiply
    873,958.40x = 1,206,044.03 × 486,772.63
  4. Step 4: Simplify right side
    873,958.40x = 587,069,222,580.72
  5. Step 5: Solve for x
    x = 587,069,222,580.72/873,958.40
  6. Step 6: Final answer
    x = 671,735.89

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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.