Home / 773,579.15-1,161,132.38-580,783.02

Finding the Fourth Proportional to 773,579.15, 1,161,132.38 and 580,783.02

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Solution

The fourth proportional to 773,579.15, 1,161,132.38 and 580,783.02 is: 871,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,579.15 : 1,161,132.38 = 580,783.02 : x
  2. Step 2: Convert to fraction form
    773,579.15/1,161,132.38 = 580,783.02/x
  3. Step 3: Cross multiply
    773,579.15x = 1,161,132.38 × 580,783.02
  4. Step 4: Simplify right side
    773,579.15x = 674,365,970,276.19
  5. Step 5: Solve for x
    x = 674,365,970,276.19/773,579.15
  6. Step 6: Final answer
    x = 871,747.86

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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.