Home / 869,086.40-1,303,629.60-237,999.20

Finding the Fourth Proportional to 869,086.40, 1,303,629.60 and 237,999.20

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Solution

The fourth proportional to 869,086.40, 1,303,629.60 and 237,999.20 is: 356,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,086.40 : 1,303,629.60 = 237,999.20 : x
  2. Step 2: Convert to fraction form
    869,086.40/1,303,629.60 = 237,999.20/x
  3. Step 3: Cross multiply
    869,086.40x = 1,303,629.60 × 237,999.20
  4. Step 4: Simplify right side
    869,086.40x = 310,262,801,896.32
  5. Step 5: Solve for x
    x = 310,262,801,896.32/869,086.40
  6. Step 6: Final answer
    x = 356,998.80

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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.