Home / 1,022,971.70-1,534,462.42-312,998.60

Finding the Fourth Proportional to 1,022,971.70, 1,534,462.42 and 312,998.60

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Solution

The fourth proportional to 1,022,971.70, 1,534,462.42 and 312,998.60 is: 469,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,971.70 : 1,534,462.42 = 312,998.60 : x
  2. Step 2: Convert to fraction form
    1,022,971.70/1,534,462.42 = 312,998.60/x
  3. Step 3: Cross multiply
    1,022,971.70x = 1,534,462.42 × 312,998.60
  4. Step 4: Simplify right side
    1,022,971.70x = 480,284,589,212.61
  5. Step 5: Solve for x
    x = 480,284,589,212.61/1,022,971.70
  6. Step 6: Final answer
    x = 469,499.39

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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.