Home / 882,486.14-1,323,860.43-409,219.34

Finding the Fourth Proportional to 882,486.14, 1,323,860.43 and 409,219.34

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Solution

The fourth proportional to 882,486.14, 1,323,860.43 and 409,219.34 is: 613,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,486.14 : 1,323,860.43 = 409,219.34 : x
  2. Step 2: Convert to fraction form
    882,486.14/1,323,860.43 = 409,219.34/x
  3. Step 3: Cross multiply
    882,486.14x = 1,323,860.43 × 409,219.34
  4. Step 4: Simplify right side
    882,486.14x = 541,749,291,416.72
  5. Step 5: Solve for x
    x = 541,749,291,416.72/882,486.14
  6. Step 6: Final answer
    x = 613,889.86

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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.