Home / 788,550.40-1,182,923.96-308,716.20

Finding the Fourth Proportional to 788,550.40, 1,182,923.96 and 308,716.20

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Solution

The fourth proportional to 788,550.40, 1,182,923.96 and 308,716.20 is: 463,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,550.40 : 1,182,923.96 = 308,716.20 : x
  2. Step 2: Convert to fraction form
    788,550.40/1,182,923.96 = 308,716.20/x
  3. Step 3: Cross multiply
    788,550.40x = 1,182,923.96 × 308,716.20
  4. Step 4: Simplify right side
    788,550.40x = 365,187,789,820.15
  5. Step 5: Solve for x
    x = 365,187,789,820.15/788,550.40
  6. Step 6: Final answer
    x = 463,112.81

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Double scale
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Similar ratio
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1.5x scale

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.