Home / 812,064.33-1,218,091.01-634,720.50

Finding the Fourth Proportional to 812,064.33, 1,218,091.01 and 634,720.50

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Solution

The fourth proportional to 812,064.33, 1,218,091.01 and 634,720.50 is: 952,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,064.33 : 1,218,091.01 = 634,720.50 : x
  2. Step 2: Convert to fraction form
    812,064.33/1,218,091.01 = 634,720.50/x
  3. Step 3: Cross multiply
    812,064.33x = 1,218,091.01 × 634,720.50
  4. Step 4: Simplify right side
    812,064.33x = 773,147,331,739.10
  5. Step 5: Solve for x
    x = 773,147,331,739.10/812,064.33
  6. Step 6: Final answer
    x = 952,076.46

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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.