Home / 478,768.24-660,699.97-263,911.89

Finding the Fourth Proportional to 478,768.24, 660,699.97 and 263,911.89

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Solution

The fourth proportional to 478,768.24, 660,699.97 and 263,911.89 is: 364,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,768.24 : 660,699.97 = 263,911.89 : x
  2. Step 2: Convert to fraction form
    478,768.24/660,699.97 = 263,911.89/x
  3. Step 3: Cross multiply
    478,768.24x = 660,699.97 × 263,911.89
  4. Step 4: Simplify right side
    478,768.24x = 174,366,577,805.64
  5. Step 5: Solve for x
    x = 174,366,577,805.64/478,768.24
  6. Step 6: Final answer
    x = 364,198.30

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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.