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Finding the Fourth Proportional to 893,480.60, 1,340,415.30 and 294,339.80

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Solution

The fourth proportional to 893,480.60, 1,340,415.30 and 294,339.80 is: 441,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,480.60 : 1,340,415.30 = 294,339.80 : x
  2. Step 2: Convert to fraction form
    893,480.60/1,340,415.30 = 294,339.80/x
  3. Step 3: Cross multiply
    893,480.60x = 1,340,415.30 × 294,339.80
  4. Step 4: Simplify right side
    893,480.60x = 394,537,571,318.94
  5. Step 5: Solve for x
    x = 394,537,571,318.94/893,480.60
  6. Step 6: Final answer
    x = 441,573.74

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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.