Home / 772,157.07-1,157,840.46-322,755.30

Finding the Fourth Proportional to 772,157.07, 1,157,840.46 and 322,755.30

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Solution

The fourth proportional to 772,157.07, 1,157,840.46 and 322,755.30 is: 483,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,157.07 : 1,157,840.46 = 322,755.30 : x
  2. Step 2: Convert to fraction form
    772,157.07/1,157,840.46 = 322,755.30/x
  3. Step 3: Cross multiply
    772,157.07x = 1,157,840.46 × 322,755.30
  4. Step 4: Simplify right side
    772,157.07x = 373,699,145,019.44
  5. Step 5: Solve for x
    x = 373,699,145,019.44/772,157.07
  6. Step 6: Final answer
    x = 483,967.78

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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.