Home / 793,258.43-1,190,360.45-287,858.84

Finding the Fourth Proportional to 793,258.43, 1,190,360.45 and 287,858.84

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Solution

The fourth proportional to 793,258.43, 1,190,360.45 and 287,858.84 is: 431,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,258.43 : 1,190,360.45 = 287,858.84 : x
  2. Step 2: Convert to fraction form
    793,258.43/1,190,360.45 = 287,858.84/x
  3. Step 3: Cross multiply
    793,258.43x = 1,190,360.45 × 287,858.84
  4. Step 4: Simplify right side
    793,258.43x = 342,655,778,318.88
  5. Step 5: Solve for x
    x = 342,655,778,318.88/793,258.43
  6. Step 6: Final answer
    x = 431,959.83

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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.