Home / 769,635.69-1,062,090.31-425,480.37

Finding the Fourth Proportional to 769,635.69, 1,062,090.31 and 425,480.37

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Solution

The fourth proportional to 769,635.69, 1,062,090.31 and 425,480.37 is: 587,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,635.69 : 1,062,090.31 = 425,480.37 : x
  2. Step 2: Convert to fraction form
    769,635.69/1,062,090.31 = 425,480.37/x
  3. Step 3: Cross multiply
    769,635.69x = 1,062,090.31 × 425,480.37
  4. Step 4: Simplify right side
    769,635.69x = 451,898,572,761.76
  5. Step 5: Solve for x
    x = 451,898,572,761.76/769,635.69
  6. Step 6: Final answer
    x = 587,159.07

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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.