Home / 751,236.88-1,036,381.08-496,942.96

Finding the Fourth Proportional to 751,236.88, 1,036,381.08 and 496,942.96

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Solution

The fourth proportional to 751,236.88, 1,036,381.08 and 496,942.96 is: 685,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,236.88 : 1,036,381.08 = 496,942.96 : x
  2. Step 2: Convert to fraction form
    751,236.88/1,036,381.08 = 496,942.96/x
  3. Step 3: Cross multiply
    751,236.88x = 1,036,381.08 × 496,942.96
  4. Step 4: Simplify right side
    751,236.88x = 515,022,281,583.20
  5. Step 5: Solve for x
    x = 515,022,281,583.20/751,236.88
  6. Step 6: Final answer
    x = 685,565.76

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1.5x scale

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.