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Finding the Fourth Proportional to 580,107.88, 800,578.02 and 362,447.56

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Solution

The fourth proportional to 580,107.88, 800,578.02 and 362,447.56 is: 500,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,107.88 : 800,578.02 = 362,447.56 : x
  2. Step 2: Convert to fraction form
    580,107.88/800,578.02 = 362,447.56/x
  3. Step 3: Cross multiply
    580,107.88x = 800,578.02 × 362,447.56
  4. Step 4: Simplify right side
    580,107.88x = 290,167,549,938.63
  5. Step 5: Solve for x
    x = 290,167,549,938.63/580,107.88
  6. Step 6: Final answer
    x = 500,195.84

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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.