Home / 893,486.55-1,340,395.86-294,489.78

Finding the Fourth Proportional to 893,486.55, 1,340,395.86 and 294,489.78

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Solution

The fourth proportional to 893,486.55, 1,340,395.86 and 294,489.78 is: 441,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,486.55 : 1,340,395.86 = 294,489.78 : x
  2. Step 2: Convert to fraction form
    893,486.55/1,340,395.86 = 294,489.78/x
  3. Step 3: Cross multiply
    893,486.55x = 1,340,395.86 × 294,489.78
  4. Step 4: Simplify right side
    893,486.55x = 394,732,881,924.31
  5. Step 5: Solve for x
    x = 394,732,881,924.31/893,486.55
  6. Step 6: Final answer
    x = 441,789.39

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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.