Home / 769,441.68-1,061,796.53-425,259.81

Finding the Fourth Proportional to 769,441.68, 1,061,796.53 and 425,259.81

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Solution

The fourth proportional to 769,441.68, 1,061,796.53 and 425,259.81 is: 586,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,441.68 : 1,061,796.53 = 425,259.81 : x
  2. Step 2: Convert to fraction form
    769,441.68/1,061,796.53 = 425,259.81/x
  3. Step 3: Cross multiply
    769,441.68x = 1,061,796.53 × 425,259.81
  4. Step 4: Simplify right side
    769,441.68x = 451,539,391,669.61
  5. Step 5: Solve for x
    x = 451,539,391,669.61/769,441.68
  6. Step 6: Final answer
    x = 586,840.31

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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.