Home / 931,131.90-1,396,369.80-332,112.60

Finding the Fourth Proportional to 931,131.90, 1,396,369.80 and 332,112.60

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Solution

The fourth proportional to 931,131.90, 1,396,369.80 and 332,112.60 is: 498,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,131.90 : 1,396,369.80 = 332,112.60 : x
  2. Step 2: Convert to fraction form
    931,131.90/1,396,369.80 = 332,112.60/x
  3. Step 3: Cross multiply
    931,131.90x = 1,396,369.80 × 332,112.60
  4. Step 4: Simplify right side
    931,131.90x = 463,752,004,839.48
  5. Step 5: Solve for x
    x = 463,752,004,839.48/931,131.90
  6. Step 6: Final answer
    x = 498,051.89

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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.