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Finding the Fourth Proportional to 446,807, 616,593.66 and 255,883.56

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Solution

The fourth proportional to 446,807, 616,593.66 and 255,883.56 is: 353,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,807 : 616,593.66 = 255,883.56 : x
  2. Step 2: Convert to fraction form
    446,807/616,593.66 = 255,883.56/x
  3. Step 3: Cross multiply
    446,807x = 616,593.66 × 255,883.56
  4. Step 4: Simplify right side
    446,807x = 157,776,180,794.23
  5. Step 5: Solve for x
    x = 157,776,180,794.23/446,807
  6. Step 6: Final answer
    x = 353,119.31

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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.