Home / 1,107,687.30-1,661,304.15-308,768.10

Finding the Fourth Proportional to 1,107,687.30, 1,661,304.15 and 308,768.10

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Solution

The fourth proportional to 1,107,687.30, 1,661,304.15 and 308,768.10 is: 463,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,687.30 : 1,661,304.15 = 308,768.10 : x
  2. Step 2: Convert to fraction form
    1,107,687.30/1,661,304.15 = 308,768.10/x
  3. Step 3: Cross multiply
    1,107,687.30x = 1,661,304.15 × 308,768.10
  4. Step 4: Simplify right side
    1,107,687.30x = 512,957,725,917.62
  5. Step 5: Solve for x
    x = 512,957,725,917.62/1,107,687.30
  6. Step 6: Final answer
    x = 463,088.93

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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.