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Finding the Fourth Proportional to 893,343.90, 1,339,727.90 and 294,162.40

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Solution

The fourth proportional to 893,343.90, 1,339,727.90 and 294,162.40 is: 441,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,343.90 : 1,339,727.90 = 294,162.40 : x
  2. Step 2: Convert to fraction form
    893,343.90/1,339,727.90 = 294,162.40/x
  3. Step 3: Cross multiply
    893,343.90x = 1,339,727.90 × 294,162.40
  4. Step 4: Simplify right side
    893,343.90x = 394,097,569,590.83
  5. Step 5: Solve for x
    x = 394,097,569,590.83/893,343.90
  6. Step 6: Final answer
    x = 441,148.78

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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.