Home / 931,679.68-1,397,175.72-332,480.56

Finding the Fourth Proportional to 931,679.68, 1,397,175.72 and 332,480.56

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Solution

The fourth proportional to 931,679.68, 1,397,175.72 and 332,480.56 is: 498,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,679.68 : 1,397,175.72 = 332,480.56 : x
  2. Step 2: Convert to fraction form
    931,679.68/1,397,175.72 = 332,480.56/x
  3. Step 3: Cross multiply
    931,679.68x = 1,397,175.72 × 332,480.56
  4. Step 4: Simplify right side
    931,679.68x = 464,533,765,804.00
  5. Step 5: Solve for x
    x = 464,533,765,804.00/931,679.68
  6. Step 6: Final answer
    x = 498,598.15

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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.