Home / 874,046.40-1,311,015.60-368,390.40

Finding the Fourth Proportional to 874,046.40, 1,311,015.60 and 368,390.40

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Solution

The fourth proportional to 874,046.40, 1,311,015.60 and 368,390.40 is: 552,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,046.40 : 1,311,015.60 = 368,390.40 : x
  2. Step 2: Convert to fraction form
    874,046.40/1,311,015.60 = 368,390.40/x
  3. Step 3: Cross multiply
    874,046.40x = 1,311,015.60 × 368,390.40
  4. Step 4: Simplify right side
    874,046.40x = 482,965,561,290.24
  5. Step 5: Solve for x
    x = 482,965,561,290.24/874,046.40
  6. Step 6: Final answer
    x = 552,562.84

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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.