Home / 928,268.72-1,391,598.07-359,258.13

Finding the Fourth Proportional to 928,268.72, 1,391,598.07 and 359,258.13

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Solution

The fourth proportional to 928,268.72, 1,391,598.07 and 359,258.13 is: 538,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,268.72 : 1,391,598.07 = 359,258.13 : x
  2. Step 2: Convert to fraction form
    928,268.72/1,391,598.07 = 359,258.13/x
  3. Step 3: Cross multiply
    928,268.72x = 1,391,598.07 × 359,258.13
  4. Step 4: Simplify right side
    928,268.72x = 499,942,919,441.66
  5. Step 5: Solve for x
    x = 499,942,919,441.66/928,268.72
  6. Step 6: Final answer
    x = 538,575.64

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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.