Home / 1,107,744.30-1,661,592.15-309,003.30

Finding the Fourth Proportional to 1,107,744.30, 1,661,592.15 and 309,003.30

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Solution

The fourth proportional to 1,107,744.30, 1,661,592.15 and 309,003.30 is: 463,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,744.30 : 1,661,592.15 = 309,003.30 : x
  2. Step 2: Convert to fraction form
    1,107,744.30/1,661,592.15 = 309,003.30/x
  3. Step 3: Cross multiply
    1,107,744.30x = 1,661,592.15 × 309,003.30
  4. Step 4: Simplify right side
    1,107,744.30x = 513,437,457,604.10
  5. Step 5: Solve for x
    x = 513,437,457,604.10/1,107,744.30
  6. Step 6: Final answer
    x = 463,498.17

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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.