Home / 931,615.40-1,397,489.56-248,498.43

Finding the Fourth Proportional to 931,615.40, 1,397,489.56 and 248,498.43

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Solution

The fourth proportional to 931,615.40, 1,397,489.56 and 248,498.43 is: 372,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,615.40 : 1,397,489.56 = 248,498.43 : x
  2. Step 2: Convert to fraction form
    931,615.40/1,397,489.56 = 248,498.43/x
  3. Step 3: Cross multiply
    931,615.40x = 1,397,489.56 × 248,498.43
  4. Step 4: Simplify right side
    931,615.40x = 347,273,961,601.39
  5. Step 5: Solve for x
    x = 347,273,961,601.39/931,615.40
  6. Step 6: Final answer
    x = 372,765.37

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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.