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Finding the Fourth Proportional to 547,058.88, 819,898.04 and 277,254.81

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Solution

The fourth proportional to 547,058.88, 819,898.04 and 277,254.81 is: 415,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,058.88 : 819,898.04 = 277,254.81 : x
  2. Step 2: Convert to fraction form
    547,058.88/819,898.04 = 277,254.81/x
  3. Step 3: Cross multiply
    547,058.88x = 819,898.04 × 277,254.81
  4. Step 4: Simplify right side
    547,058.88x = 227,320,675,992.71
  5. Step 5: Solve for x
    x = 227,320,675,992.71/547,058.88
  6. Step 6: Final answer
    x = 415,532.38

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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.