Home / 882,778.89-1,323,249.79-409,074.69

Finding the Fourth Proportional to 882,778.89, 1,323,249.79 and 409,074.69

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Solution

The fourth proportional to 882,778.89, 1,323,249.79 and 409,074.69 is: 613,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,778.89 : 1,323,249.79 = 409,074.69 : x
  2. Step 2: Convert to fraction form
    882,778.89/1,323,249.79 = 409,074.69/x
  3. Step 3: Cross multiply
    882,778.89x = 1,323,249.79 × 409,074.69
  4. Step 4: Simplify right side
    882,778.89x = 541,307,996,614.13
  5. Step 5: Solve for x
    x = 541,307,996,614.13/882,778.89
  6. Step 6: Final answer
    x = 613,186.39

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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.