Home / 1,107,882.86-1,662,104.65-309,164.30

Finding the Fourth Proportional to 1,107,882.86, 1,662,104.65 and 309,164.30

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Solution

The fourth proportional to 1,107,882.86, 1,662,104.65 and 309,164.30 is: 463,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,882.86 : 1,662,104.65 = 309,164.30 : x
  2. Step 2: Convert to fraction form
    1,107,882.86/1,662,104.65 = 309,164.30/x
  3. Step 3: Cross multiply
    1,107,882.86x = 1,662,104.65 × 309,164.30
  4. Step 4: Simplify right side
    1,107,882.86x = 513,863,420,644.00
  5. Step 5: Solve for x
    x = 513,863,420,644.00/1,107,882.86
  6. Step 6: Final answer
    x = 463,824.69

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Double scale
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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.