Home / 812,046.98-1,218,063.75-634,703.06

Finding the Fourth Proportional to 812,046.98, 1,218,063.75 and 634,703.06

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Solution

The fourth proportional to 812,046.98, 1,218,063.75 and 634,703.06 is: 952,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,046.98 : 1,218,063.75 = 634,703.06 : x
  2. Step 2: Convert to fraction form
    812,046.98/1,218,063.75 = 634,703.06/x
  3. Step 3: Cross multiply
    812,046.98x = 1,218,063.75 × 634,703.06
  4. Step 4: Simplify right side
    812,046.98x = 773,108,789,400.08
  5. Step 5: Solve for x
    x = 773,108,789,400.08/812,046.98
  6. Step 6: Final answer
    x = 952,049.34

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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.