Home / 535,258.83-738,589.13-305,830.97

Finding the Fourth Proportional to 535,258.83, 738,589.13 and 305,830.97

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Solution

The fourth proportional to 535,258.83, 738,589.13 and 305,830.97 is: 422,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,258.83 : 738,589.13 = 305,830.97 : x
  2. Step 2: Convert to fraction form
    535,258.83/738,589.13 = 305,830.97/x
  3. Step 3: Cross multiply
    535,258.83x = 738,589.13 × 305,830.97
  4. Step 4: Simplify right side
    535,258.83x = 225,883,424,837.26
  5. Step 5: Solve for x
    x = 225,883,424,837.26/535,258.83
  6. Step 6: Final answer
    x = 422,007.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.