Home / 799,685.74-1,199,738.92-287,402.64

Finding the Fourth Proportional to 799,685.74, 1,199,738.92 and 287,402.64

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Solution

The fourth proportional to 799,685.74, 1,199,738.92 and 287,402.64 is: 431,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,685.74 : 1,199,738.92 = 287,402.64 : x
  2. Step 2: Convert to fraction form
    799,685.74/1,199,738.92 = 287,402.64/x
  3. Step 3: Cross multiply
    799,685.74x = 1,199,738.92 × 287,402.64
  4. Step 4: Simplify right side
    799,685.74x = 344,808,132,918.75
  5. Step 5: Solve for x
    x = 344,808,132,918.75/799,685.74
  6. Step 6: Final answer
    x = 431,179.54

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1.5x scale

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.