Home / 497,718.72-686,832.05-293,835.33

Finding the Fourth Proportional to 497,718.72, 686,832.05 and 293,835.33

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Solution

The fourth proportional to 497,718.72, 686,832.05 and 293,835.33 is: 405,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,718.72 : 686,832.05 = 293,835.33 : x
  2. Step 2: Convert to fraction form
    497,718.72/686,832.05 = 293,835.33/x
  3. Step 3: Cross multiply
    497,718.72x = 686,832.05 × 293,835.33
  4. Step 4: Simplify right side
    497,718.72x = 201,815,522,800.92
  5. Step 5: Solve for x
    x = 201,815,522,800.92/497,718.72
  6. Step 6: Final answer
    x = 405,481.08

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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.