Home / 931,971.28-1,398,250.32-332,919.12

Finding the Fourth Proportional to 931,971.28, 1,398,250.32 and 332,919.12

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Solution

The fourth proportional to 931,971.28, 1,398,250.32 and 332,919.12 is: 499,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,971.28 : 1,398,250.32 = 332,919.12 : x
  2. Step 2: Convert to fraction form
    931,971.28/1,398,250.32 = 332,919.12/x
  3. Step 3: Cross multiply
    931,971.28x = 1,398,250.32 × 332,919.12
  4. Step 4: Simplify right side
    931,971.28x = 465,504,266,074.12
  5. Step 5: Solve for x
    x = 465,504,266,074.12/931,971.28
  6. Step 6: Final answer
    x = 499,483.49

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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.