Home / 770,201.22-1,062,795.88-425,982.45

Finding the Fourth Proportional to 770,201.22, 1,062,795.88 and 425,982.45

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Solution

The fourth proportional to 770,201.22, 1,062,795.88 and 425,982.45 is: 587,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,201.22 : 1,062,795.88 = 425,982.45 : x
  2. Step 2: Convert to fraction form
    770,201.22/1,062,795.88 = 425,982.45/x
  3. Step 3: Cross multiply
    770,201.22x = 1,062,795.88 × 425,982.45
  4. Step 4: Simplify right side
    770,201.22x = 452,732,392,812.31
  5. Step 5: Solve for x
    x = 452,732,392,812.31/770,201.22
  6. Step 6: Final answer
    x = 587,810.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.