Home / 812,046.48-1,218,063-634,702.56

Finding the Fourth Proportional to 812,046.48, 1,218,063 and 634,702.56

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Solution

The fourth proportional to 812,046.48, 1,218,063 and 634,702.56 is: 952,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,046.48 : 1,218,063 = 634,702.56 : x
  2. Step 2: Convert to fraction form
    812,046.48/1,218,063 = 634,702.56/x
  3. Step 3: Cross multiply
    812,046.48x = 1,218,063 × 634,702.56
  4. Step 4: Simplify right side
    812,046.48x = 773,107,704,341.28
  5. Step 5: Solve for x
    x = 773,107,704,341.28/812,046.48
  6. Step 6: Final answer
    x = 952,048.59

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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.