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Finding the Fourth Proportional to 560,498.33, 773,480.44 and 305,845.13

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Solution

The fourth proportional to 560,498.33, 773,480.44 and 305,845.13 is: 422,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,498.33 : 773,480.44 = 305,845.13 : x
  2. Step 2: Convert to fraction form
    560,498.33/773,480.44 = 305,845.13/x
  3. Step 3: Cross multiply
    560,498.33x = 773,480.44 × 305,845.13
  4. Step 4: Simplify right side
    560,498.33x = 236,565,228,040.27
  5. Step 5: Solve for x
    x = 236,565,228,040.27/560,498.33
  6. Step 6: Final answer
    x = 422,062.32

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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.