Home / 1,107,711.10-1,661,579.82-308,944

Finding the Fourth Proportional to 1,107,711.10, 1,661,579.82 and 308,944

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Solution

The fourth proportional to 1,107,711.10, 1,661,579.82 and 308,944 is: 463,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,711.10 : 1,661,579.82 = 308,944 : x
  2. Step 2: Convert to fraction form
    1,107,711.10/1,661,579.82 = 308,944/x
  3. Step 3: Cross multiply
    1,107,711.10x = 1,661,579.82 × 308,944
  4. Step 4: Simplify right side
    1,107,711.10x = 513,335,115,910.08
  5. Step 5: Solve for x
    x = 513,335,115,910.08/1,107,711.10
  6. Step 6: Final answer
    x = 463,419.67

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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.