Home / 812,044.98-1,218,060.75-634,701.06

Finding the Fourth Proportional to 812,044.98, 1,218,060.75 and 634,701.06

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Solution

The fourth proportional to 812,044.98, 1,218,060.75 and 634,701.06 is: 952,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,044.98 : 1,218,060.75 = 634,701.06 : x
  2. Step 2: Convert to fraction form
    812,044.98/1,218,060.75 = 634,701.06/x
  3. Step 3: Cross multiply
    812,044.98x = 1,218,060.75 × 634,701.06
  4. Step 4: Simplify right side
    812,044.98x = 773,104,449,169.40
  5. Step 5: Solve for x
    x = 773,104,449,169.40/812,044.98
  6. Step 6: Final answer
    x = 952,046.34

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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.