Home / 738,076.92-1,106,218.71-400,316.64

Finding the Fourth Proportional to 738,076.92, 1,106,218.71 and 400,316.64

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Solution

The fourth proportional to 738,076.92, 1,106,218.71 and 400,316.64 is: 599,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,076.92 : 1,106,218.71 = 400,316.64 : x
  2. Step 2: Convert to fraction form
    738,076.92/1,106,218.71 = 400,316.64/x
  3. Step 3: Cross multiply
    738,076.92x = 1,106,218.71 × 400,316.64
  4. Step 4: Simplify right side
    738,076.92x = 442,837,757,092.33
  5. Step 5: Solve for x
    x = 442,837,757,092.33/738,076.92
  6. Step 6: Final answer
    x = 599,988.63

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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.