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Finding the Fourth Proportional to 446,277.60, 616,103.28 and 344,078.82

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Solution

The fourth proportional to 446,277.60, 616,103.28 and 344,078.82 is: 475,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,277.60 : 616,103.28 = 344,078.82 : x
  2. Step 2: Convert to fraction form
    446,277.60/616,103.28 = 344,078.82/x
  3. Step 3: Cross multiply
    446,277.60x = 616,103.28 × 344,078.82
  4. Step 4: Simplify right side
    446,277.60x = 211,988,089,580.53
  5. Step 5: Solve for x
    x = 211,988,089,580.53/446,277.60
  6. Step 6: Final answer
    x = 475,013.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.