Home / 501,781.20-693,032.75-330,464.97

Finding the Fourth Proportional to 501,781.20, 693,032.75 and 330,464.97

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Solution

The fourth proportional to 501,781.20, 693,032.75 and 330,464.97 is: 456,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,781.20 : 693,032.75 = 330,464.97 : x
  2. Step 2: Convert to fraction form
    501,781.20/693,032.75 = 330,464.97/x
  3. Step 3: Cross multiply
    501,781.20x = 693,032.75 × 330,464.97
  4. Step 4: Simplify right side
    501,781.20x = 229,023,045,285.44
  5. Step 5: Solve for x
    x = 229,023,045,285.44/501,781.20
  6. Step 6: Final answer
    x = 456,420.14

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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.