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Finding the Fourth Proportional to 556,999.48, 835,678.84 and 257,676.12

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Solution

The fourth proportional to 556,999.48, 835,678.84 and 257,676.12 is: 386,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,999.48 : 835,678.84 = 257,676.12 : x
  2. Step 2: Convert to fraction form
    556,999.48/835,678.84 = 257,676.12/x
  3. Step 3: Cross multiply
    556,999.48x = 835,678.84 × 257,676.12
  4. Step 4: Simplify right side
    556,999.48x = 215,334,481,057.30
  5. Step 5: Solve for x
    x = 215,334,481,057.30/556,999.48
  6. Step 6: Final answer
    x = 386,597.27

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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.