Home / 959,009.20-1,438,513.80-327,866.80

Finding the Fourth Proportional to 959,009.20, 1,438,513.80 and 327,866.80

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Solution

The fourth proportional to 959,009.20, 1,438,513.80 and 327,866.80 is: 491,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,009.20 : 1,438,513.80 = 327,866.80 : x
  2. Step 2: Convert to fraction form
    959,009.20/1,438,513.80 = 327,866.80/x
  3. Step 3: Cross multiply
    959,009.20x = 1,438,513.80 × 327,866.80
  4. Step 4: Simplify right side
    959,009.20x = 471,640,916,361.84
  5. Step 5: Solve for x
    x = 471,640,916,361.84/959,009.20
  6. Step 6: Final answer
    x = 491,800.20

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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.