Home / 785,464.84-1,083,753.30-463,149.64

Finding the Fourth Proportional to 785,464.84, 1,083,753.30 and 463,149.64

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Solution

The fourth proportional to 785,464.84, 1,083,753.30 and 463,149.64 is: 639,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,464.84 : 1,083,753.30 = 463,149.64 : x
  2. Step 2: Convert to fraction form
    785,464.84/1,083,753.30 = 463,149.64/x
  3. Step 3: Cross multiply
    785,464.84x = 1,083,753.30 × 463,149.64
  4. Step 4: Simplify right side
    785,464.84x = 501,939,950,743.81
  5. Step 5: Solve for x
    x = 501,939,950,743.81/785,464.84
  6. Step 6: Final answer
    x = 639,035.54

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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.