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Finding the Fourth Proportional to 580,696.64, 801,360.24 and 326,049.20

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Solution

The fourth proportional to 580,696.64, 801,360.24 and 326,049.20 is: 449,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,696.64 : 801,360.24 = 326,049.20 : x
  2. Step 2: Convert to fraction form
    580,696.64/801,360.24 = 326,049.20/x
  3. Step 3: Cross multiply
    580,696.64x = 801,360.24 × 326,049.20
  4. Step 4: Simplify right side
    580,696.64x = 261,282,865,163.81
  5. Step 5: Solve for x
    x = 261,282,865,163.81/580,696.64
  6. Step 6: Final answer
    x = 449,947.27

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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.