Home / 931,079.90-1,396,729.20-332,126.21

Finding the Fourth Proportional to 931,079.90, 1,396,729.20 and 332,126.21

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Solution

The fourth proportional to 931,079.90, 1,396,729.20 and 332,126.21 is: 498,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,079.90 : 1,396,729.20 = 332,126.21 : x
  2. Step 2: Convert to fraction form
    931,079.90/1,396,729.20 = 332,126.21/x
  3. Step 3: Cross multiply
    931,079.90x = 1,396,729.20 × 332,126.21
  4. Step 4: Simplify right side
    931,079.90x = 463,890,368,608.69
  5. Step 5: Solve for x
    x = 463,890,368,608.69/931,079.90
  6. Step 6: Final answer
    x = 498,228.32

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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.