Home / 727,559.75-1,004,042.84-417,512.86

Finding the Fourth Proportional to 727,559.75, 1,004,042.84 and 417,512.86

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Solution

The fourth proportional to 727,559.75, 1,004,042.84 and 417,512.86 is: 576,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,559.75 : 1,004,042.84 = 417,512.86 : x
  2. Step 2: Convert to fraction form
    727,559.75/1,004,042.84 = 417,512.86/x
  3. Step 3: Cross multiply
    727,559.75x = 1,004,042.84 × 417,512.86
  4. Step 4: Simplify right side
    727,559.75x = 419,200,793,093.25
  5. Step 5: Solve for x
    x = 419,200,793,093.25/727,559.75
  6. Step 6: Final answer
    x = 576,173.70

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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.