Home / 1,107,709.78-1,661,417.02-308,924.44

Finding the Fourth Proportional to 1,107,709.78, 1,661,417.02 and 308,924.44

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Solution

The fourth proportional to 1,107,709.78, 1,661,417.02 and 308,924.44 is: 463,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,709.78 : 1,661,417.02 = 308,924.44 : x
  2. Step 2: Convert to fraction form
    1,107,709.78/1,661,417.02 = 308,924.44/x
  3. Step 3: Cross multiply
    1,107,709.78x = 1,661,417.02 × 308,924.44
  4. Step 4: Simplify right side
    1,107,709.78x = 513,252,322,509.97
  5. Step 5: Solve for x
    x = 513,252,322,509.97/1,107,709.78
  6. Step 6: Final answer
    x = 463,345.48

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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.