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Finding the Fourth Proportional to 605,044.49, 906,363.88 and 555,443.33

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Solution

The fourth proportional to 605,044.49, 906,363.88 and 555,443.33 is: 832,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,044.49 : 906,363.88 = 555,443.33 : x
  2. Step 2: Convert to fraction form
    605,044.49/906,363.88 = 555,443.33/x
  3. Step 3: Cross multiply
    605,044.49x = 906,363.88 × 555,443.33
  4. Step 4: Simplify right side
    605,044.49x = 503,433,765,778.49
  5. Step 5: Solve for x
    x = 503,433,765,778.49/605,044.49
  6. Step 6: Final answer
    x = 832,060.75

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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.