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Finding the Fourth Proportional to 497,119.02, 685,805.99 and 335,915.25

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Solution

The fourth proportional to 497,119.02, 685,805.99 and 335,915.25 is: 463,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,119.02 : 685,805.99 = 335,915.25 : x
  2. Step 2: Convert to fraction form
    497,119.02/685,805.99 = 335,915.25/x
  3. Step 3: Cross multiply
    497,119.02x = 685,805.99 × 335,915.25
  4. Step 4: Simplify right side
    497,119.02x = 230,372,688,902.77
  5. Step 5: Solve for x
    x = 230,372,688,902.77/497,119.02
  6. Step 6: Final answer
    x = 463,415.56

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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.