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Finding the Fourth Proportional to 580,426.56, 801,289.26 and 451,076.04

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Solution

The fourth proportional to 580,426.56, 801,289.26 and 451,076.04 is: 622,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,426.56 : 801,289.26 = 451,076.04 : x
  2. Step 2: Convert to fraction form
    580,426.56/801,289.26 = 451,076.04/x
  3. Step 3: Cross multiply
    580,426.56x = 801,289.26 × 451,076.04
  4. Step 4: Simplify right side
    580,426.56x = 361,442,386,295.33
  5. Step 5: Solve for x
    x = 361,442,386,295.33/580,426.56
  6. Step 6: Final answer
    x = 622,718.55

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1.5x scale

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.