Home / 655,218.48-982,749.96-385,507.92

Finding the Fourth Proportional to 655,218.48, 982,749.96 and 385,507.92

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Solution

The fourth proportional to 655,218.48, 982,749.96 and 385,507.92 is: 578,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,218.48 : 982,749.96 = 385,507.92 : x
  2. Step 2: Convert to fraction form
    655,218.48/982,749.96 = 385,507.92/x
  3. Step 3: Cross multiply
    655,218.48x = 982,749.96 × 385,507.92
  4. Step 4: Simplify right side
    655,218.48x = 378,857,892,959.68
  5. Step 5: Solve for x
    x = 378,857,892,959.68/655,218.48
  6. Step 6: Final answer
    x = 578,216.13

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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.