Home / 482,629.20-723,943.80-447,637.20

Finding the Fourth Proportional to 482,629.20, 723,943.80 and 447,637.20

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Solution

The fourth proportional to 482,629.20, 723,943.80 and 447,637.20 is: 671,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,629.20 : 723,943.80 = 447,637.20 : x
  2. Step 2: Convert to fraction form
    482,629.20/723,943.80 = 447,637.20/x
  3. Step 3: Cross multiply
    482,629.20x = 723,943.80 × 447,637.20
  4. Step 4: Simplify right side
    482,629.20x = 324,064,175,589.36
  5. Step 5: Solve for x
    x = 324,064,175,589.36/482,629.20
  6. Step 6: Final answer
    x = 671,455.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.