Home / 1,107,708.78-1,661,415.52-308,923.44

Finding the Fourth Proportional to 1,107,708.78, 1,661,415.52 and 308,923.44

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Solution

The fourth proportional to 1,107,708.78, 1,661,415.52 and 308,923.44 is: 463,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,708.78 : 1,661,415.52 = 308,923.44 : x
  2. Step 2: Convert to fraction form
    1,107,708.78/1,661,415.52 = 308,923.44/x
  3. Step 3: Cross multiply
    1,107,708.78x = 1,661,415.52 × 308,923.44
  4. Step 4: Simplify right side
    1,107,708.78x = 513,250,197,707.79
  5. Step 5: Solve for x
    x = 513,250,197,707.79/1,107,708.78
  6. Step 6: Final answer
    x = 463,343.98

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1.5x scale

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.